diff --git a/.github/workflows/build_push.yml b/.github/workflows/build_push.yml
index 94709d71..4c30dbd2 100644
--- a/.github/workflows/build_push.yml
+++ b/.github/workflows/build_push.yml
@@ -22,6 +22,7 @@ jobs:
   prepare:
     name: Prepare job
     runs-on: docker
+    container: ubuntu-latest
     outputs:
       individualMatrix: ${{ steps.generate-matrices.outputs.individualMatrix }}
     steps: