diff --git a/action.yml b/action.yml
index 6f35161..5ae0e54 100644
--- a/action.yml
+++ b/action.yml
@@ -9,7 +9,7 @@ inputs:
   ref:
     description: 'Ref to checkout (SHA, branch, tag)'
     required: true
-    default: ${{ github.version }}
+    default: ${{ github.sha }}
   token:
     description: 'Access token for clone repository'
     default: ${{ github.token }}