diff --git a/Makefile b/Makefile
index 62aec4d13b..cb919826f9 100644
--- a/Makefile
+++ b/Makefile
@@ -84,7 +84,7 @@ LD_FLAGS += -X '$(version_pkg).GitCommit=$(shell git rev-parse HEAD)'
 # Update these variables when preparing a new release or a release branch.
 # Then run `make prepare-release-branch`
 RELEASE_VERSION=v0.6.0
-RELEASE_BRANCH=main
+RELEASE_BRANCH=release-0.6
 
 .PHONY: all
 all: generate fmt vet build
diff --git a/config/components/manager/kustomization.yaml b/config/components/manager/kustomization.yaml
index b7b7487da3..8848b738b3 100644
--- a/config/components/manager/kustomization.yaml
+++ b/config/components/manager/kustomization.yaml
@@ -17,4 +17,4 @@ kind: Kustomization
 images:
 - name: controller
   newName: gcr.io/k8s-staging-kueue/kueue
-  newTag: main
+  newTag: release-0.6