diff --git a/action.yml b/action.yml
index 75ea4f7..2aaca1b 100644
--- a/action.yml
+++ b/action.yml
@@ -45,7 +45,7 @@ inputs:
       Comma seperated regex patterns of versions to ignore.
       Defaults to all major release versions and only deletes pre-release versions.
     required: false
-    default: "^[\d*]+.[\d*]+.[0*]+$"
+    default: "^[\\d*]+.[\\d*]+.[0*]+$"
 
   token:
     description: >