diff --git a/.github/configs/cr.yaml b/.github/configs/cr.yml
similarity index 100%
rename from .github/configs/cr.yaml
rename to .github/configs/cr.yml
diff --git a/.github/workflows/helm-release.yml b/.github/workflows/helm-release.yml
index bff530cb6..f35447870 100644
--- a/.github/workflows/helm-release.yml
+++ b/.github/workflows/helm-release.yml
@@ -2,8 +2,8 @@ name: Release Helm chart
 on:
   workflow_dispatch:
 env:
-  CR_CONFIGFILE: "${{ github.workspace }}/source/.github/configs/cr.yaml"
-  CT_CONFIGFILE: "${{ github.workspace }}/source/.github/configs/ct.yaml"
+  CR_CONFIGFILE: "${{ github.workspace }}/source/.github/configs/cr.yml"
+  CT_CONFIGFILE: "${{ github.workspace }}/source/.github/configs/ct.yml"
   CR_INDEX_PATH: "${{ github.workspace }}/.cr-index"
   CR_PACKAGE_PATH: "${{ github.workspace }}/.cr-release-packages"
   CR_TOOL_PATH: "${{ github.workspace }}/.cr-tool"