diff --git a/action b/action.sh
similarity index 100%
rename from action
rename to action.sh
diff --git a/action.yaml b/action.yaml
index 066ea40..0094445 100644
--- a/action.yaml
+++ b/action.yaml
@@ -8,5 +8,5 @@ inputs:
 runs:
   using: composite
   steps:
-    - run: ./action
+    - run: action.sh
       shell: bash