diff --git a/.github/workflows/pull-request.yaml b/.github/workflows/pull-request.yaml
index 201f7c6a93..195196f424 100755
--- a/.github/workflows/pull-request.yaml
+++ b/.github/workflows/pull-request.yaml
@@ -26,4 +26,12 @@ jobs:
         run: sudo make validate
 
       - name: Run Hull tests
-        run: cd tests && go test -v ./...
\ No newline at end of file
+        run: cd tests && go test -v ./...
+
+      - name: Check container images 
+        run: make check-images
+        if: startsWith(github.ref, 'refs/heads/upstream/release-v')
+        continue-on-error: true
+        env:
+          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 8a8e329d90..30123f67f5 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ remove:
 forward-port:
 	./scripts/forward-port
 
-TARGETS := prepare patch clean clean-cache charts list index unzip zip standardize validate template regsync
+TARGETS := prepare patch clean clean-cache charts list index unzip zip standardize validate template regsync check-images
 
 $(TARGETS):
 	@./scripts/pull-scripts
diff --git a/scripts/version b/scripts/version
index 0c78ce67c4..ddca2ec15e 100755
--- a/scripts/version
+++ b/scripts/version
@@ -2,4 +2,4 @@
 set -e
 
 CHARTS_BUILD_SCRIPTS_REPO=https://github.com/rancher/charts-build-scripts.git
-CHARTS_BUILD_SCRIPT_VERSION="${CHARTS_BUILD_SCRIPT_VERSION:-v0.4.4}"
+CHARTS_BUILD_SCRIPT_VERSION="${CHARTS_BUILD_SCRIPT_VERSION:-v0.4.6}"