diff --git a/app.go b/app.go
index f9f2945..9042e44 100644
--- a/app.go
+++ b/app.go
@@ -13,6 +13,10 @@ type NewApp struct {
 	TLSOnly bool `json:"tlsOnly"`
 	// The Firebase Cloud Messaging key.
 	FcmKey string `json:"fcmKey"`
+	// The Firebase Service Account key. To use the service account key you must also provide a projectId.
+	FcmServiceAccount string `json:"fcmServiceAccount"`
+	// The Firebase Project ID. To authenticate with firebase you must also provide a service account key.
+	FcmProjectId string `json:"fcmProjectId"`
 	// The Apple Push Notification service certificate.
 	// This field can only be used to set a new value,
 	// it will not be populated by queries.
@@ -40,6 +44,10 @@ type App struct {
 	TLSOnly bool `json:"tlsOnly"`
 	// The Firebase Cloud Messaging key.
 	FcmKey string `json:"fcmKey"`
+	// The Firebase Service Account key. To use the service account key you must also provide a projectId.
+	FcmServiceAccount string `json:"fcmServiceAccount"`
+	// The Firebase Project ID. To authenticate with firebase you must also provide a service account key.
+	FcmProjectId string `json:"fcmProjectId"`
 	// The Apple Push Notification service certificate.
 	// This field can only be used to set a new value,
 	// it will not be populated by queries.
diff --git a/client_test.go b/client_test.go
index 7a9bfc5..84d8347 100644
--- a/client_test.go
+++ b/client_test.go
@@ -49,6 +49,8 @@ func newTestApp(t *testing.T, client *Client) App {
 		Status: "enabled",
 		//TLSOnly:                false,
 		FcmKey:                 "",
+		FcmServiceAccount:      "",
+		FcmProjectId:           "",
 		ApnsCertificate:        "",
 		ApnsPrivateKey:         "",
 		ApnsUseSandboxEndpoint: false,