diff --git a/CHANGELOG.md b/CHANGELOG.md
index 211d6a2a..195f098b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,28 @@
 
 All notable changes to this project are documented in this file.
 
+## 0.25.6
+
+**Release date:** 2022-06-14
+
+This prerelease fixes an issue with leaked SSH connections on
+managed transport and adds some general build and libgit2
+improvements.
+
+Fixes:
+- libgit2: dispose connections in SubTransport.Close
+  [#775](https://github.com/fluxcd/source-controller/pull/775)
+
+Improvements:
+- build: enable -race for go test
+  [#615](https://github.com/fluxcd/source-controller/pull/615)
+- libgit2: refactor tests to use managed and unmanaged transport cleanly
+  [#777](https://github.com/fluxcd/source-controller/pull/777)
+- libgit2: add contextual logging to subtransports
+  [#778](https://github.com/fluxcd/source-controller/pull/778)
+- libgit2: fix managed transport enabled flag update
+  [#781](https://github.com/fluxcd/source-controller/pull/781)
+
 ## 0.25.5
 
 **Release date:** 2022-06-08
diff --git a/config/manager/kustomization.yaml b/config/manager/kustomization.yaml
index e71ea1f3..97802238 100644
--- a/config/manager/kustomization.yaml
+++ b/config/manager/kustomization.yaml
@@ -6,4 +6,4 @@ resources:
 images:
 - name: fluxcd/source-controller
   newName: fluxcd/source-controller
-  newTag: v0.25.5
+  newTag: v0.25.6
diff --git a/go.mod b/go.mod
index 509f6b09..d91b6cae 100644
--- a/go.mod
+++ b/go.mod
@@ -32,7 +32,7 @@ require (
 	github.com/fluxcd/pkg/testserver v0.2.0
 	github.com/fluxcd/pkg/untar v0.1.0
 	github.com/fluxcd/pkg/version v0.1.0
-	github.com/fluxcd/source-controller/api v0.25.5
+	github.com/fluxcd/source-controller/api v0.25.6
 	github.com/go-git/go-billy/v5 v5.3.1
 	github.com/go-git/go-git/v5 v5.4.2
 	github.com/go-logr/logr v1.2.3