diff --git a/cmd/config.go b/cmd/config.go
index 52c9e09fc23..174074a1999 100644
--- a/cmd/config.go
+++ b/cmd/config.go
@@ -22,8 +22,8 @@ import (
 	"github.com/Masterminds/sprig"
 	"github.com/pelletier/go-toml"
 	"github.com/spf13/cobra"
-	"github.com/spf13/viper"
 	"github.com/twpayne/chezmoi/internal/chezmoi"
+	"github.com/twpayne/chezmoi/internal/configparser"
 	vfs "github.com/twpayne/go-vfs"
 	xdg "github.com/twpayne/go-xdg/v3"
 	bolt "go.etcd.io/bbolt"
@@ -31,41 +31,42 @@ import (
 )
 
 type sourceVCSConfig struct {
-	Command    string
-	AutoCommit bool
-	AutoPush   bool
-	Init       interface{}
-	Pull       interface{}
+	Command    string      `json:"command" toml:"command" yaml:"command"`
+	AutoCommit bool        `json:"autoCommit" toml:"autoCommit" yaml:"autoCommit"`
+	AutoPush   bool        `json:"autoPush" toml:"autoPush" yaml:"autoPush"`
+	Init       interface{} `json:"init" toml:"init" yaml:"init"`
+	Pull       interface{} `json:"pull" toml:"pull" yaml:"pull"`
 }
 
 // A Config represents a configuration.
 type Config struct {
-	configFile        string
+	configFileName    string
+	configFile        *os.File
 	err               error
 	fs                vfs.FS
 	mutator           chezmoi.Mutator
-	SourceDir         string
-	DestDir           string
-	Umask             permValue
-	DryRun            bool
-	Follow            bool
-	Remove            bool
-	Verbose           bool
-	Color             string
-	Debug             bool
-	GPG               chezmoi.GPG
-	GPGRecipient      string
-	SourceVCS         sourceVCSConfig
-	Merge             mergeConfig
-	Bitwarden         bitwardenCmdConfig
-	GenericSecret     genericSecretCmdConfig
-	Gopass            gopassCmdConfig
-	KeePassXC         keePassXCCmdConfig
-	Lastpass          lastpassCmdConfig
-	Onepassword       onepasswordCmdConfig
-	Vault             vaultCmdConfig
-	Pass              passCmdConfig
-	Data              map[string]interface{}
+	SourceDir         string                 `json:"sourceDir" toml:"sourceDir" yaml:"sourceDir"`
+	DestDir           string                 `json:"destDir" toml:"destDir" yaml:"destDir"`
+	Umask             permValue              `json:"umask" toml:"umask" yaml:"umask"`
+	DryRun            bool                   `json:"dryRun" toml:"dryRun" yaml:"dryRun"`
+	Follow            bool                   `json:"follow" toml:"follow" yaml:"follow"`
+	Remove            bool                   `json:"remove" toml:"remove" yaml:"remove"`
+	Verbose           bool                   `json:"verbose" toml:"verbose" yaml:"verbose"`
+	Color             string                 `json:"color" toml:"color" yaml:"color"`
+	Debug             bool                   `json:"debug" toml:"debug" yaml:"debug"`
+	GPG               chezmoi.GPG            `json:"gpg" toml:"gpg" yaml:"gpg"`
+	GPGRecipient      string                 `json:"gpgRecipient" toml:"gpgRecipient" yaml:"gpgRecipient"`
+	SourceVCS         sourceVCSConfig        `json:"sourceVCS" toml:"sourceVCS" yaml:"sourceVCS"`
+	Merge             mergeConfig            `json:"merge" toml:"merge" yaml:"merge"`
+	Bitwarden         bitwardenCmdConfig     `json:"bitwarden" toml:"bitwarden" yaml:"bitwarden"`
+	GenericSecret     genericSecretCmdConfig `json:"genericSecret" toml:"genericSecret" yaml:"genericSecret"`
+	Gopass            gopassCmdConfig        `json:"gopass" toml:"gopass" yaml:"gopass"`
+	KeePassXC         keePassXCCmdConfig     `json:"keePassXC" toml:"keePassXC" yaml:"keePassXC"`
+	Lastpass          lastpassCmdConfig      `json:"lastpass" toml:"lastpass" yaml:"lastpass"`
+	Onepassword       onepasswordCmdConfig   `json:"onepassword" toml:"onepassword" yaml:"onepassword"`
+	Vault             vaultCmdConfig         `json:"vault" toml:"vault" yaml:"vault"`
+	Pass              passCmdConfig          `json:"pass" toml:"pass" yaml:"pass"`
+	Data              map[string]interface{} `json:"data" toml:"data" yaml:"data"`
 	colored           bool
 	maxDiffDataSize   int
 	templateFuncs     template.FuncMap
@@ -277,6 +278,13 @@ func (c *Config) ensureSourceDirectory() error {
 	}
 }
 
+func (c *Config) getConfigFileName() string {
+	if c.configFile != nil {
+		return c.configFile.Name()
+	}
+	return c.getDefaultConfigFileName(c.bds)
+}
+
 func (c *Config) getData() (map[string]interface{}, error) {
 	defaultData, err := c.getDefaultData()
 	if err != nil {
@@ -291,6 +299,17 @@ func (c *Config) getData() (map[string]interface{}, error) {
 	return data, nil
 }
 
+func (c *Config) getDefaultConfigFileName(bds *xdg.BaseDirectorySpecification) string {
+	for _, configDir := range bds.ConfigDirs {
+		configFileName, _ := configparser.FindConfig(c.fs, filepath.Join(configDir, "chezmoi", "chezmoi"))
+		if configFileName != "" {
+			return configFileName
+		}
+	}
+	// Fallback to XDG Base Directory Specification default.
+	return filepath.Join(bds.ConfigHome, "chezmoi", "chezmoi.toml")
+}
+
 func (c *Config) getDefaultData() (map[string]interface{}, error) {
 	data := map[string]interface{}{
 		"arch":      runtime.GOARCH,
@@ -381,7 +400,7 @@ func (c *Config) getEntries(ts *chezmoi.TargetState, args []string) ([]chezmoi.E
 }
 
 func (c *Config) getPersistentState(options *bolt.Options) (chezmoi.PersistentState, error) {
-	persistentStateFile := c.getPersistentStateFile()
+	persistentStateFile := c.getPersistentStateFileName()
 	if c.DryRun {
 		if options == nil {
 			options = &bolt.Options{}
@@ -391,17 +410,8 @@ func (c *Config) getPersistentState(options *bolt.Options) (chezmoi.PersistentSt
 	return chezmoi.NewBoltPersistentState(c.fs, persistentStateFile, options)
 }
 
-func (c *Config) getPersistentStateFile() string {
-	if c.configFile != "" {
-		return filepath.Join(filepath.Dir(c.configFile), "chezmoistate.boltdb")
-	}
-	for _, configDir := range c.bds.ConfigDirs {
-		persistentStateFile := filepath.Join(configDir, "chezmoi", "chezmoistate.boltdb")
-		if _, err := os.Stat(persistentStateFile); err == nil {
-			return persistentStateFile
-		}
-	}
-	return filepath.Join(filepath.Dir(getDefaultConfigFile(c.bds)), "chezmoistate.boltdb")
+func (c *Config) getPersistentStateFileName() string {
+	return filepath.Join(filepath.Dir(c.getConfigFileName()), "chezmoistate.boltdb")
 }
 
 func (c *Config) getTargetState(populateOptions *chezmoi.PopulateOptions) (*chezmoi.TargetState, error) {
@@ -514,20 +524,6 @@ func getAsset(name string) ([]byte, error) {
 	return ioutil.ReadAll(r)
 }
 
-func getDefaultConfigFile(bds *xdg.BaseDirectorySpecification) string {
-	// Search XDG Base Directory Specification config directories first.
-	for _, configDir := range bds.ConfigDirs {
-		for _, extension := range viper.SupportedExts {
-			configFilePath := filepath.Join(configDir, "chezmoi", "chezmoi."+extension)
-			if _, err := os.Stat(configFilePath); err == nil {
-				return configFilePath
-			}
-		}
-	}
-	// Fallback to XDG Base Directory Specification default.
-	return filepath.Join(bds.ConfigHome, "chezmoi", "chezmoi.toml")
-}
-
 func getDefaultSourceDir(bds *xdg.BaseDirectorySpecification) string {
 	// Check for XDG Base Directory Specification data directories first.
 	for _, dataDir := range bds.DataDirs {
diff --git a/cmd/doctor.go b/cmd/doctor.go
index 7ad30ffa2a9..347fc2cec96 100644
--- a/cmd/doctor.go
+++ b/cmd/doctor.go
@@ -131,7 +131,7 @@ func (c *Config) runDoctorCmd(cmd *cobra.Command, args []string) error {
 		},
 		&doctorFileCheck{
 			name: "configuration file",
-			path: c.configFile,
+			path: c.getConfigFileName(),
 		},
 		&doctorBinaryCheck{
 			name:        "shell",
diff --git a/cmd/editconfig.go b/cmd/editconfig.go
index fe3ce260082..7b3cf0a2b0e 100644
--- a/cmd/editconfig.go
+++ b/cmd/editconfig.go
@@ -2,12 +2,12 @@ package cmd
 
 import (
 	"fmt"
+	"os"
 	"path/filepath"
 
 	"github.com/spf13/cobra"
-	"github.com/spf13/viper"
+	"github.com/twpayne/chezmoi/internal/configparser"
 	vfs "github.com/twpayne/go-vfs"
-	vfsafero "github.com/twpayne/go-vfsafero"
 )
 
 var editConfigCommand = &cobra.Command{
@@ -24,24 +24,24 @@ func init() {
 }
 
 func (c *Config) runEditConfigCmd(cmd *cobra.Command, args []string) error {
-	if err := vfs.MkdirAll(c.mutator, filepath.Dir(c.configFile), 0777); err != nil {
+	configFileName := c.getConfigFileName()
+	if err := vfs.MkdirAll(c.mutator, filepath.Dir(configFileName), 0777); err != nil {
 		return err
 	}
 
-	if err := c.runEditor(c.configFile); err != nil {
+	if err := c.runEditor(configFileName); err != nil {
 		return err
 	}
 
 	// Warn the user of any errors reading the config file.
-	v := viper.New()
-	v.SetFs(vfsafero.NewAferoFS(c.fs))
-	v.SetConfigFile(c.configFile)
-	err := v.ReadInConfig()
-	if err == nil {
-		err = v.Unmarshal(&Config{})
-	}
+	configFile, err := os.Open(configFileName)
 	if err != nil {
-		c.warn(fmt.Sprintf("%s: %v", c.configFile, err))
+		c.warn(fmt.Sprintf("%s: %v", configFileName, err))
+		return nil
+	}
+	defer configFile.Close()
+	if err := configparser.ParseConfig(configFile, &Config{}); err != nil {
+		c.warn(fmt.Sprintf("%s: %v", configFileName, err))
 	}
 
 	return nil
diff --git a/cmd/init.go b/cmd/init.go
index ab315f2263a..be771264fcd 100644
--- a/cmd/init.go
+++ b/cmd/init.go
@@ -10,8 +10,8 @@ import (
 	"text/template"
 
 	"github.com/spf13/cobra"
-	"github.com/spf13/viper"
 	"github.com/twpayne/chezmoi/internal/chezmoi"
+	"github.com/twpayne/chezmoi/internal/configparser"
 	vfs "github.com/twpayne/go-vfs"
 )
 
@@ -110,7 +110,7 @@ func (c *Config) runInitCmd(cmd *cobra.Command, args []string) error {
 }
 
 func (c *Config) createConfigFile() error {
-	filename, ext, data, err := c.findConfigTemplate()
+	filename, data, err := c.findConfigTemplate()
 	if err != nil {
 		return err
 	}
@@ -152,25 +152,26 @@ func (c *Config) createConfigFile() error {
 		return err
 	}
 
-	viper.SetConfigType(ext)
-	if err := viper.ReadConfig(contents); err != nil {
+	configFile, err := os.Open(configPath)
+	if err != nil {
 		return err
 	}
-	return viper.Unmarshal(c)
+	defer configFile.Close()
+	return configparser.ParseConfig(configFile, c)
 }
 
-func (c *Config) findConfigTemplate() (string, string, string, error) {
-	for _, ext := range viper.SupportedExts {
-		contents, err := c.fs.ReadFile(filepath.Join(c.SourceDir, ".chezmoi."+ext+chezmoi.TemplateSuffix))
+func (c *Config) findConfigTemplate() (string, string, error) {
+	for _, ext := range configparser.Extensions() {
+		contents, err := c.fs.ReadFile(filepath.Join(c.SourceDir, ".chezmoi"+ext+chezmoi.TemplateSuffix))
 		switch {
 		case os.IsNotExist(err):
 			continue
 		case err != nil:
-			return "", "", "", err
+			return "", "", err
 		}
-		return "chezmoi." + ext, ext, string(contents), nil
+		return "chezmoi" + ext, string(contents), nil
 	}
-	return "", "", "", nil
+	return "", "", nil
 }
 
 func (c *Config) promptString(field string) string {
diff --git a/cmd/merge.go b/cmd/merge.go
index b69201d3259..ae8267075bd 100644
--- a/cmd/merge.go
+++ b/cmd/merge.go
@@ -21,8 +21,8 @@ var mergeCmd = &cobra.Command{
 }
 
 type mergeConfig struct {
-	Command string
-	Args    []string
+	Command string   `json:"command" toml:"command" yaml:"command"`
+	Args    []string `json:"args" toml:"args" yaml:"args"`
 }
 
 func init() {
diff --git a/cmd/root.go b/cmd/root.go
index ba42b9b592f..32c94d43fe4 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -9,6 +9,7 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 	"github.com/twpayne/chezmoi/internal/chezmoi"
+	"github.com/twpayne/chezmoi/internal/configparser"
 	vfs "github.com/twpayne/go-vfs"
 	xdg "github.com/twpayne/go-xdg/v3"
 	"golang.org/x/crypto/ssh/terminal"
@@ -64,7 +65,7 @@ func init() {
 
 	persistentFlags := rootCmd.PersistentFlags()
 
-	persistentFlags.StringVarP(&config.configFile, "config", "c", getDefaultConfigFile(config.bds), "config file")
+	persistentFlags.StringVarP(&config.configFileName, "config", "c", config.getDefaultConfigFileName(config.bds), "config file")
 
 	persistentFlags.BoolVarP(&config.DryRun, "dry-run", "n", false, "dry run")
 	panicOnError(viper.BindPFlag("dry-run", persistentFlags.Lookup("dry-run")))
@@ -91,19 +92,15 @@ func init() {
 	panicOnError(viper.BindPFlag("debug", persistentFlags.Lookup("debug")))
 
 	cobra.OnInitialize(func() {
-		_, err := os.Stat(config.configFile)
+		config.configFile, config.err = config.fs.Open(config.configFileName)
 		switch {
-		case err == nil:
-			viper.SetConfigFile(config.configFile)
-			config.err = viper.ReadInConfig()
-			if config.err == nil {
-				config.err = viper.Unmarshal(&config)
-			}
+		case config.err == nil:
+			config.err = configparser.ParseConfig(config.configFile, &config)
 			if config.err == nil {
 				config.err = config.validateData()
 			}
 			if config.err != nil {
-				config.warn(fmt.Sprintf("%s: %v", config.configFile, config.err))
+				config.warn(fmt.Sprintf("%s: %v", config.configFileName, config.err))
 			}
 		case os.IsNotExist(err):
 		default:
diff --git a/cmd/secretbitwarden.go b/cmd/secretbitwarden.go
index 86d4d70d8a9..bbabec2e701 100644
--- a/cmd/secretbitwarden.go
+++ b/cmd/secretbitwarden.go
@@ -19,7 +19,7 @@ var bitwardenCmd = &cobra.Command{
 }
 
 type bitwardenCmdConfig struct {
-	Command string
+	Command string `json:"command" toml:"command" yaml:"command"`
 }
 
 var bitwardenCache = make(map[string]interface{})
diff --git a/cmd/secretgeneric.go b/cmd/secretgeneric.go
index 67b96b17a6b..e34030a518c 100644
--- a/cmd/secretgeneric.go
+++ b/cmd/secretgeneric.go
@@ -20,7 +20,7 @@ var genericSecretCmd = &cobra.Command{
 }
 
 type genericSecretCmdConfig struct {
-	Command string
+	Command string `json:"command" toml:"command" yaml:"command"`
 }
 
 var (
diff --git a/cmd/secretgopass.go b/cmd/secretgopass.go
index f459e9efe21..4252d11fd74 100644
--- a/cmd/secretgopass.go
+++ b/cmd/secretgopass.go
@@ -17,7 +17,7 @@ var gopassCmd = &cobra.Command{
 }
 
 type gopassCmdConfig struct {
-	Command string
+	Command string `json:"command" toml:"command" yaml:"command"`
 }
 
 var gopassCache = make(map[string]string)
diff --git a/cmd/secretkeepassxc.go b/cmd/secretkeepassxc.go
index fd0951ae14a..1c39e579808 100644
--- a/cmd/secretkeepassxc.go
+++ b/cmd/secretkeepassxc.go
@@ -24,9 +24,9 @@ var keePassXCCmd = &cobra.Command{
 }
 
 type keePassXCCmdConfig struct {
-	Command  string
-	Database string
-	Args     []string
+	Command  string   `json:"command" toml:"command" yaml:"command"`
+	Database string   `json:"database" toml:"database" yaml:"database"`
+	Args     []string `json:"args" toml:"args" yaml:"args"`
 }
 
 type keePassXCAttributeCacheKey struct {
diff --git a/cmd/secretlastpass.go b/cmd/secretlastpass.go
index 47b42cb749d..35a2ca58f5c 100644
--- a/cmd/secretlastpass.go
+++ b/cmd/secretlastpass.go
@@ -34,7 +34,7 @@ var (
 )
 
 type lastpassCmdConfig struct {
-	Command          string
+	Command          string `json:"command" toml:"command" yaml:"command"`
 	versionCheckOnce sync.Once
 }
 
diff --git a/cmd/secretonepassword.go b/cmd/secretonepassword.go
index 7b511a875ed..1f6b30cd531 100644
--- a/cmd/secretonepassword.go
+++ b/cmd/secretonepassword.go
@@ -18,7 +18,7 @@ var onepasswordCmd = &cobra.Command{
 }
 
 type onepasswordCmdConfig struct {
-	Command string
+	Command string `json:"command" toml:"command" yaml:"command"`
 }
 
 var (
diff --git a/cmd/secretpass.go b/cmd/secretpass.go
index 1a64318208d..78dc7306e53 100644
--- a/cmd/secretpass.go
+++ b/cmd/secretpass.go
@@ -17,7 +17,7 @@ var passCmd = &cobra.Command{
 }
 
 type passCmdConfig struct {
-	Command string
+	Command string `json:"command" toml:"command" yaml:"command"`
 }
 
 var passCache = make(map[string]string)
diff --git a/cmd/secretvault.go b/cmd/secretvault.go
index d00ed0953f5..36ce4e5f64a 100644
--- a/cmd/secretvault.go
+++ b/cmd/secretvault.go
@@ -18,7 +18,7 @@ var vaultCmd = &cobra.Command{
 }
 
 type vaultCmdConfig struct {
-	Command string
+	Command string `json:"command" toml:"command" yaml:"command"`
 }
 
 var vaultCache = make(map[string]interface{})
diff --git a/docs/HOWTO.md b/docs/HOWTO.md
index 93718c28a9f..1eeff1c4d5a 100644
--- a/docs/HOWTO.md
+++ b/docs/HOWTO.md
@@ -115,10 +115,8 @@ to machine. For example, for your home machine:
 If you intend to store private data (e.g. access tokens) in
 `~/.config/chezmoi/chezmoi.toml`, make sure it has permissions `0600`.
 
-If you prefer, you can use any format supported by
-[Viper](https://github.com/spf13/viper) for your configuration file. This
-includes JSON, YAML, and TOML. Variable names must start with a letter and be
-followed by zero or more letters or digits.
+You can use JSON, YAML, or TOML for your configuration file. Variable names must
+start with a letter and be followed by zero or more letters or digits.
 
 Then, add `~/.gitconfig` to chezmoi using the `-T` flag to automatically turn
 it in to a template:
diff --git a/docs/REFERENCE.md b/docs/REFERENCE.md
index 31f3f0ab52c..6de13180cdb 100644
--- a/docs/REFERENCE.md
+++ b/docs/REFERENCE.md
@@ -159,10 +159,8 @@ timestamp.
 
 chezmoi searches for its configuration file according to the [XDG Base Directory
 Specification](https://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html)
-and supports all formats supported by
-[`github.com/spf13/viper`](https://github.com/spf13/viper), namely JSON, TOML,
-YAML, macOS property file format, and HCL. The basename of the config file is
-chezmoi, and the first config file found is used.
+and supports JSON, TOML, YAML. The basename of the config file is chezmoi, and
+the first config file found is used.
 
 ### Configuration variables
 
diff --git a/go.mod b/go.mod
index 55599f99b31..2c835a64710 100644
--- a/go.mod
+++ b/go.mod
@@ -24,17 +24,13 @@ require (
 	github.com/mitchellh/reflectwalk v1.0.1 // indirect
 	github.com/pelletier/go-toml v1.6.0
 	github.com/pkg/diff v0.0.0-20190930165518-531926345625
-	github.com/spf13/afero v1.2.2 // indirect
-	github.com/spf13/cast v1.3.1 // indirect
 	github.com/spf13/cobra v0.0.5
-	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/spf13/viper v1.6.2
+	github.com/spf13/viper v1.4.0
 	github.com/stretchr/objx v0.2.0 // indirect
 	github.com/stretchr/testify v1.4.0
 	github.com/twpayne/go-shell v0.1.1
 	github.com/twpayne/go-vfs v1.3.6
-	github.com/twpayne/go-vfsafero v1.0.0
 	github.com/twpayne/go-xdg/v3 v3.1.0
 	github.com/yuin/goldmark v1.1.21 // indirect
 	github.com/zalando/go-keyring v0.0.0-20200121091418-667557018717
@@ -44,8 +40,8 @@ require (
 	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
 	golang.org/x/sys v0.0.0-20200122134326-e047566fdf82
 	google.golang.org/appengine v1.6.5 // indirect
-	gopkg.in/ini.v1 v1.51.1 // indirect
 	gopkg.in/yaml.v2 v2.2.7
+	gopkg.in/yaml.v3 v3.0.0-20200121175148-a6ecf24a6d71
 )
 
 // Temporary while waiting for https://github.com/spf13/cobra/pull/754 to be merged
diff --git a/go.sum b/go.sum
index b6fb2cc189e..e762c36d8e0 100644
--- a/go.sum
+++ b/go.sum
@@ -87,8 +87,6 @@ github.com/google/renameio v0.1.0 h1:GOZbcHa3HfsPKPlmyPyN2KEohoMXOhdMbHrvbpl2QaA
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
-github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/csrf v1.6.0/go.mod h1:7tSf8kmjNYr7IWDCYhd3U8Ck34iQ/Yw5CJu7bAkHEGI=
 github.com/gorilla/handlers v1.4.1/go.mod h1:Qkdc/uu4tH4g6mTK6auzZ766c4CA0Ng8+o/OAirnOIQ=
 github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
@@ -110,8 +108,6 @@ github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NH
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
-github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
-github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
@@ -130,8 +126,6 @@ github.com/lucasb-eyer/go-colorful v1.0.3 h1:QIbQXiugsb+q10B+MI+7DI1oQLdmnep86tW
 github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 github.com/magiconair/properties v1.8.0 h1:LLgXmsheXeRoUOBOjtwPQCWIYqM/LU1ayDtDePerRcY=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
-github.com/magiconair/properties v1.8.1 h1:ZC2Vc7/ZFkGmsVC9KvOjumD+G5lXy2RtTKyzRKO2BQ4=
-github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/mattn/go-isatty v0.0.11 h1:FxPOTFNqGkuDUGi3H/qkUbQO4ZiBa2brKq5r0l8TGeM=
@@ -185,31 +179,20 @@ github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAm
 github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
-github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
-github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
-github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
-github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
 github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
 github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/spf13/afero v1.1.2 h1:m8/z1t7/fwjysjQRYbP0RD+bUIF/8tJwPdEZsI83ACI=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
-github.com/spf13/afero v1.2.2 h1:5jhuqJyZCZf2JRofRvN/nIFgIWNzPa3/Vz8mYylgbWc=
-github.com/spf13/afero v1.2.2/go.mod h1:9ZxEEn6pIJ8Rxe320qSDBk6AsU0r9pR7Q4OcevTdifk=
 github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
-github.com/spf13/cast v1.3.1 h1:nFm6S0SMdyzrzcmThSipiEubIDy8WEXKNZ0UOgiRpng=
-github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/spf13/jwalterweatherman v1.0.0 h1:XHEdyB+EcvlqZamSM4ZOMGlc93t6AcsBEu9Gc1vn7yk=
 github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
-github.com/spf13/jwalterweatherman v1.1.0 h1:ue6voC5bR5F8YxI5S67j9i582FU4Qvo2bmqnqMYADFk=
-github.com/spf13/jwalterweatherman v1.1.0/go.mod h1:aNWZUN0dPAAO/Ljvb5BEdw96iTZ0EXowPYD95IqWIGo=
 github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/spf13/viper v1.4.0 h1:yXHLWeravcrgGyFSyCgdYpXQ9dR9c/WED3pg1RhxqEU=
 github.com/spf13/viper v1.4.0/go.mod h1:PTJ7Z/lr49W6bUbkmS1V3by4uWynFiR9p7+dSq/yZzE=
-github.com/spf13/viper v1.6.2 h1:7aKfF+e8/k68gda3LOjo5RxiUqddoFxVq4BKBPrxk5E=
-github.com/spf13/viper v1.6.2/go.mod h1:t3iDnF5Jlj76alVNuyFBk5oUMCvsrkbvZK0WQdfDi5k=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.2.0 h1:Hbg2NidpLE8veEBkEZTL3CvlkUIVzuU9jDplZO54c48=
@@ -220,19 +203,14 @@ github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s=
-github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/twpayne/cobra v0.0.6 h1:zJ26aak/ChId/jCdBCgrqJR6hixAOGLC1fo+ONtZPQc=
 github.com/twpayne/cobra v0.0.6/go.mod h1:/6GTrnGXV9HjY+aR4k0oJ5tcvakLuG6EuKReYlHNrgE=
 github.com/twpayne/go-shell v0.1.1 h1:Kr1hSEFrPBTRmhOW8woaj7ZxV3/OH7Qefg86OFJ5DFc=
 github.com/twpayne/go-shell v0.1.1/go.mod h1:H/gzux0DOH5jsjQSHXs6rs2Onxy+V4j6ycZTOulC0l8=
-github.com/twpayne/go-vfs v1.0.1/go.mod h1:OIXA6zWkcn7Jk46XT7ceYqBMeIkfzJ8WOBhGJM0W4y8=
 github.com/twpayne/go-vfs v1.0.5/go.mod h1:OIXA6zWkcn7Jk46XT7ceYqBMeIkfzJ8WOBhGJM0W4y8=
 github.com/twpayne/go-vfs v1.3.6 h1:dKR5suwT6WnNweNNQjts3Wih/sBTHLt4XbbEbapnWEE=
 github.com/twpayne/go-vfs v1.3.6/go.mod h1:BH2oQurpkb3roQDR7hZH+9DITZidl6JHOEfHlCModXY=
-github.com/twpayne/go-vfsafero v1.0.0 h1:ZlH32HF4OoVX/aRqc5bZa+2+M+/ezmJ4XYpT0ShtZNc=
-github.com/twpayne/go-vfsafero v1.0.0/go.mod h1:rs2H15b2z0euJzwyoBS63eUHZgBhNXVQfIFfRp8DKEk=
 github.com/twpayne/go-xdg/v3 v3.1.0 h1:AxX5ZLJIzqYHJh+4uGxWT97ySh1ND1bJLjqMxdYF+xs=
 github.com/twpayne/go-xdg/v3 v3.1.0/go.mod h1:z6/LkoG2gtuzrsxEqPRoEjccS5Q35GK+lguVP0K3L9o=
 github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
@@ -303,7 +281,6 @@ golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGm
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 google.golang.org/appengine v1.1.0 h1:igQkv0AAhEIvTEpD5LIpAfav2eeVO9HBTjvKHVJPRSs=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@@ -317,10 +294,6 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
-gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/ini.v1 v1.51.1 h1:GyboHr4UqMiLUybYjd22ZjQIKEJEpgtLXtuGbR21Oho=
-gopkg.in/ini.v1 v1.51.1/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -330,4 +303,6 @@ gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.7 h1:VUgggvou5XRW9mHwD/yXxIYSMtY0zoKQf/v226p2nyo=
 gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200121175148-a6ecf24a6d71 h1:Xe2gvTZUJpsvOWUnvmL/tmhVBZUmHSvLbMjRj6NUUKo=
+gopkg.in/yaml.v3 v3.0.0-20200121175148-a6ecf24a6d71/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
diff --git a/internal/chezmoi/gpg.go b/internal/chezmoi/gpg.go
index ec88afecef2..c514da0fcdd 100644
--- a/internal/chezmoi/gpg.go
+++ b/internal/chezmoi/gpg.go
@@ -9,8 +9,8 @@ import (
 
 // GPG interfaces with gpg.
 type GPG struct {
-	Recipient string
-	Symmetric bool
+	Recipient string `json:"recipient" toml:"recipient" yaml:"recipient"`
+	Symmetric bool   `json:"symmetric" toml:"symmetric" yaml:"symmetric"`
 }
 
 // Decrypt decrypts ciphertext. filename is used as a hint for naming temporary
diff --git a/internal/configparser/configparser.go b/internal/configparser/configparser.go
new file mode 100644
index 00000000000..6104e9bd41b
--- /dev/null
+++ b/internal/configparser/configparser.go
@@ -0,0 +1,61 @@
+package configparser
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"sort"
+
+	"github.com/twpayne/go-vfs"
+)
+
+type parser func(io.Reader, interface{}) error
+
+var parsers = make(map[string]parser)
+
+// Extensions returns all the supported extensions in alphabetical order.
+func Extensions() []string {
+	extensions := make([]string, 0, len(parsers))
+	for extension := range parsers {
+		extensions = append(extensions, extension)
+	}
+	sort.Strings(extensions)
+	return extensions
+}
+
+// FindConfig finds the first config file named filename or with basename
+// filename.
+func FindConfig(fs vfs.Stater, filename string) (string, error) {
+	info, err := fs.Stat(filename)
+	switch {
+	case err == nil && info.Mode().IsRegular():
+		return filename, err
+	case !os.IsNotExist(err):
+		return "", err
+	}
+
+	for _, extension := range Extensions() {
+		info, err := fs.Stat(filename + extension)
+		switch {
+		case err == nil && info.Mode().IsRegular():
+			return filename + extension, err
+		case !os.IsNotExist(err):
+			return "", err
+		}
+	}
+
+	return "", nil
+}
+
+// ParseConfig parses r into value.
+func ParseConfig(f *os.File, value interface{}) error {
+	if f == nil {
+		return nil
+	}
+	parser, ok := parsers[filepath.Ext(f.Name())]
+	if !ok {
+		return fmt.Errorf("%s: unsupported format", f.Name())
+	}
+	return parser(f, value)
+}
diff --git a/internal/configparser/configparser_test.go b/internal/configparser/configparser_test.go
new file mode 100644
index 00000000000..19d5e34cd71
--- /dev/null
+++ b/internal/configparser/configparser_test.go
@@ -0,0 +1,135 @@
+package configparser
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"github.com/twpayne/go-vfs/vfst"
+)
+
+func TestExtensions(t *testing.T) {
+	expectedExtensions := []string{
+		".json",
+		".toml",
+		".yaml",
+		".yml",
+	}
+	assert.Equal(t, expectedExtensions, Extensions())
+}
+
+func TestParseConfig(t *testing.T) {
+	type Config struct {
+		Format string `json:"format" toml:"format" yaml:"format"`
+	}
+	for _, tc := range []struct {
+		name                     string
+		root                     interface{}
+		filename                 string
+		expectedFindConfigError  bool
+		expectedParseConfigError bool
+		expectedConfig           *Config
+	}{
+		{
+			name:           "no_config",
+			root:           nil,
+			filename:       "/home/user/.config/chezmoi/chezmoi",
+			expectedConfig: &Config{},
+		},
+		{
+			name: "json_file",
+			root: map[string]interface{}{
+				"/home/user/.config/chezmoi/chezmoi.json": `{"format":"json"}`,
+			},
+			filename: "/home/user/.config/chezmoi/chezmoi.json",
+			expectedConfig: &Config{
+				Format: "json",
+			},
+		},
+		{
+			name: "json",
+			root: map[string]interface{}{
+				"/home/user/.config/chezmoi/chezmoi.json": `{"format":"json"}`,
+			},
+			filename: "/home/user/.config/chezmoi/chezmoi",
+			expectedConfig: &Config{
+				Format: "json",
+			},
+		},
+		{
+			name: "toml",
+			root: map[string]interface{}{
+				"/home/user/.config/chezmoi/chezmoi.toml": "format = \"toml\"\n",
+			},
+			filename: "/home/user/.config/chezmoi/chezmoi",
+			expectedConfig: &Config{
+				Format: "toml",
+			},
+		},
+		{
+			name: "yaml",
+			root: map[string]interface{}{
+				"/home/user/.config/chezmoi/chezmoi.yaml": "format: yaml\n",
+			},
+			filename: "/home/user/.config/chezmoi/chezmoi",
+			expectedConfig: &Config{
+				Format: "yaml",
+			},
+		},
+		{
+			name: "yml",
+			root: map[string]interface{}{
+				"/home/user/.config/chezmoi/chezmoi.yml": "format: yaml\n",
+			},
+			filename: "/home/user/.config/chezmoi/chezmoi",
+			expectedConfig: &Config{
+				Format: "yaml",
+			},
+		},
+		{
+			name:           "file_does_not_exist",
+			filename:       "/home/user/.config/chezmoi/chezmoi.json",
+			expectedConfig: &Config{},
+		},
+		{
+			name: "json_file_is_directory",
+			root: map[string]interface{}{
+				"/home/user/.config/chezmoi/chezmoi.json/foo": "bar",
+			},
+			filename:       "/home/user/.config/chezmoi/chezmoi.json",
+			expectedConfig: &Config{},
+		},
+		{
+			name: "unsupported_format",
+			root: map[string]interface{}{
+				"/home/user/.config/chezmoi/chezmoi.properties": `<?xml version="1.0" encoding="UTF-8"?>`,
+			},
+			filename:                 "/home/user/.config/chezmoi/chezmoi.properties",
+			expectedParseConfigError: true,
+		},
+	} {
+		t.Run(tc.name, func(t *testing.T) {
+			fs, cleanup, err := vfst.NewTestFS(tc.root)
+			require.NoError(t, err)
+			defer cleanup()
+			configFileName, err := FindConfig(fs, tc.filename)
+			if tc.expectedFindConfigError {
+				require.Error(t, err)
+				return
+			}
+			actualConfig := &Config{}
+			if configFileName != "" {
+				configFile, err := fs.Open(configFileName)
+				require.NoError(t, err)
+				defer configFile.Close()
+				err = ParseConfig(configFile, actualConfig)
+				if tc.expectedParseConfigError {
+					require.Error(t, err)
+					return
+				}
+			}
+			require.NoError(t, err)
+			assert.Equal(t, tc.expectedConfig, actualConfig)
+		})
+	}
+}
diff --git a/internal/configparser/json.go b/internal/configparser/json.go
new file mode 100644
index 00000000000..96ff445fd0f
--- /dev/null
+++ b/internal/configparser/json.go
@@ -0,0 +1,14 @@
+package configparser
+
+import (
+	"encoding/json"
+	"io"
+)
+
+func init() {
+	parsers[".json"] = parseJSON
+}
+
+func parseJSON(r io.Reader, value interface{}) error {
+	return json.NewDecoder(r).Decode(value)
+}
diff --git a/internal/configparser/toml.go b/internal/configparser/toml.go
new file mode 100644
index 00000000000..e9a69838d0f
--- /dev/null
+++ b/internal/configparser/toml.go
@@ -0,0 +1,15 @@
+package configparser
+
+import (
+	"io"
+
+	"github.com/pelletier/go-toml"
+)
+
+func init() {
+	parsers[".toml"] = parseTOML
+}
+
+func parseTOML(r io.Reader, value interface{}) error {
+	return toml.NewDecoder(r).Decode(value)
+}
diff --git a/internal/configparser/yaml.go b/internal/configparser/yaml.go
new file mode 100644
index 00000000000..55b3385596c
--- /dev/null
+++ b/internal/configparser/yaml.go
@@ -0,0 +1,16 @@
+package configparser
+
+import (
+	"io"
+
+	"gopkg.in/yaml.v3"
+)
+
+func init() {
+	parsers[".yaml"] = parseYAML
+	parsers[".yml"] = parseYAML
+}
+
+func parseYAML(r io.Reader, value interface{}) error {
+	return yaml.NewDecoder(r).Decode(value)
+}