diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2a0bb85..2b4a0d6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,5 +12,5 @@ jobs:
       - name: Starter Docker Test
         uses: cubetiq/starter-docker-actions@v0.9
         with:
-          shell: bash
+          shell: sh
           run: docker version
diff --git a/entrypoint.sh b/entrypoint.sh
index ec21839..9bbbe4a 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -11,7 +11,7 @@ then INPUT_OPTIONS="$INPUT_OPTIONS --network $INPUT_DOCKER_NETWORK"
 fi
 
 if [ -z $INPUT_SHELL ];
-then INPUT_SHELL=bash
+then INPUT_SHELL=sh
 fi
 
 if [ -z $INPUT_IMAGE ];