diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2ed86ec87..da49f6c5f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project are documented in this file.
 
+## 0.4.0 (2020-11-26)
+
+This the fourth MINOR prerelease. It adds support for impersonating a
+Service Account during Helm actions by defining a `ServiceAccountName`
+in the `HelmRelease`, and includes various bug fixes.
+
 ## 0.3.0 (2020-11-20)
 
 This is the third MINOR prerelease. It introduces a breaking change to
diff --git a/config/default/kustomization.yaml b/config/default/kustomization.yaml
index 7ce839dcb..087213ea6 100644
--- a/config/default/kustomization.yaml
+++ b/config/default/kustomization.yaml
@@ -5,6 +5,6 @@ resources:
 - ../crd
 - ../rbac
 - ../manager
-- github.com/fluxcd/source-controller/config//crd?ref=v0.3.0
-- github.com/fluxcd/source-controller/config//manager?ref=v0.3.0
+- github.com/fluxcd/source-controller/config//crd?ref=v0.4.0
+- github.com/fluxcd/source-controller/config//manager?ref=v0.4.0
 - namespace.yaml
diff --git a/config/manager/kustomization.yaml b/config/manager/kustomization.yaml
index b88c2ad4b..f96ec98f2 100644
--- a/config/manager/kustomization.yaml
+++ b/config/manager/kustomization.yaml
@@ -5,4 +5,4 @@ resources:
 images:
   - name: fluxcd/helm-controller
     newName: fluxcd/helm-controller
-    newTag: v0.3.0
+    newTag: v0.4.0
diff --git a/go.mod b/go.mod
index 74af5bdba..b11933d23 100644
--- a/go.mod
+++ b/go.mod
@@ -5,10 +5,10 @@ go 1.15
 replace github.com/fluxcd/helm-controller/api => ./api
 
 require (
-	github.com/fluxcd/helm-controller/api v0.3.0
+	github.com/fluxcd/helm-controller/api v0.4.0
 	github.com/fluxcd/pkg/apis/meta v0.4.0
 	github.com/fluxcd/pkg/runtime v0.3.1
-	github.com/fluxcd/source-controller/api v0.3.0
+	github.com/fluxcd/source-controller/api v0.4.0
 	github.com/go-logr/logr v0.2.1
 	github.com/onsi/ginkgo v1.12.1
 	github.com/onsi/gomega v1.10.1
diff --git a/go.sum b/go.sum
index 842491aff..e30ad85ea 100644
--- a/go.sum
+++ b/go.sum
@@ -213,8 +213,8 @@ github.com/fluxcd/pkg/apis/meta v0.4.0 h1:JChqB9GGgorW9HWKxirTVV0rzrcLyzBaVjinmq
 github.com/fluxcd/pkg/apis/meta v0.4.0/go.mod h1:wOzQQx8CdtUQCGaLzqGu4QgnNxYkI6/wvdvlovxWhF0=
 github.com/fluxcd/pkg/runtime v0.3.1 h1:UI+FQd1OgipZ6N8YxXHtKYMAu1NRFWaR/Gp1M3T6RZA=
 github.com/fluxcd/pkg/runtime v0.3.1/go.mod h1:wg33L6k5FkGEYoZta7hbUlBIscM5VZd/PfCbaEi+wK4=
-github.com/fluxcd/source-controller/api v0.3.0 h1:liDV8tqpBeQp7KDdVxX9YYb6gFoO7v2hyIFXudw2vQg=
-github.com/fluxcd/source-controller/api v0.3.0/go.mod h1:MYmvbADJp/21m4C+PEY7WXCeqEErMYuhns+jnKyewqs=
+github.com/fluxcd/source-controller/api v0.4.0 h1:hyHMFXLxkTT4H7KT7h0UUb3GK6bS2JJzNCcilBk2fXs=
+github.com/fluxcd/source-controller/api v0.4.0/go.mod h1:MYmvbADJp/21m4C+PEY7WXCeqEErMYuhns+jnKyewqs=
 github.com/franela/goblin v0.0.0-20200105215937-c9ffbefa60db/go.mod h1:7dvUGVsVBjqR7JHJk0brhHOZYGmfBYOrK0ZhYMEtBr4=
 github.com/franela/goreq v0.0.0-20171204163338-bcd34c9993f8/go.mod h1:ZhphrRTfi2rbfLwlschooIH4+wKKDR4Pdxhh+TRoA20=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=