diff --git a/action.yml b/action.yml
index 27d0735..df1b384 100644
--- a/action.yml
+++ b/action.yml
@@ -19,7 +19,7 @@ runs:
 
       - uses: docker://docker:git
         with:
-          entrypoint: "/bin/bash"
+          entrypoint: "/bin/sh"
           args: |
             -c 'docker build -t ${{env.DOCKER_REGISTRY}}/${{github.repository}}:${{ github.ref_name }} .'
             -c 'docker login ${{env.DOCKER_REGISTRY}} -u ${{env.DOCKER_USER}} -p ${{env.DOCKER_PASS}}'