diff --git a/action.yml b/action.yml
index c548bd5..d989047 100644
--- a/action.yml
+++ b/action.yml
@@ -35,6 +35,8 @@ runs:
   steps:
     - name: build docker image
       uses: docker://docker:git
+      env:
+        DOCKER_BUILDKIT: 1
       with:
         entrypoint: "/bin/sh"
         args: |