diff --git a/.github/workflows/apps.test.yaml b/.github/workflows/apps.test.yaml
index 29136d58710..e38ae502663 100644
--- a/.github/workflows/apps.test.yaml
+++ b/.github/workflows/apps.test.yaml
@@ -167,7 +167,7 @@ jobs:
   release-test:
     runs-on: ubuntu-latest
     container:
-      image: ghcr.io/truecharts/devcontainer:v2.2.1
+      image: ghcr.io/truecharts/devcontainer:v2.2.1@sha256:4ace13c049bf00f85c63e0070f86b71656a7c3b2113aa3e21c3107f3d1f7bf87
     steps:
       - name: Cache helm repo cache
         id: cache