diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e72047e..d6c9891 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,6 +9,10 @@ jobs:
   setup:
     runs-on: ubuntu-latest
 
+    container:
+      image: alpine:latest
+      options: --user=root
+
     steps:
       # See https://github.com/docker/build-push-action/blob/v2.10.0/TROUBLESHOOTING.md#repository-name-must-be-lowercase
       - name: Sanitize image name
@@ -77,8 +81,8 @@ jobs:
     runs-on: ubuntu-latest
 
     container:
-      image: alpine:latest
-      options: --user=root
+      options: --init
+      image: ${{ needs.build.outputs.build_image }}
 
     defaults:
       run: