diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3a5fe65..e1ecbbd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,7 +17,7 @@ jobs:
       packages: write
       pull-requests: write
     steps:
-      - uses: vexxhost/docker-atmosphere/.github/actions/build-image@main
+      - uses: vexxhost/docker-atmosphere/.github/actions/build-image@01f39b179e76b7da3831bb70bef15e817df49590 # main
         with:
           image-name: python-openstackclient
           push: ${{ github.event_name != 'pull_request' }}