diff --git a/action.yml b/action.yml
index e0ba3271..4a021f27 100644
--- a/action.yml
+++ b/action.yml
@@ -36,7 +36,7 @@ inputs:
   cache-prefix:
     description: The prefix of the cache keys.
     required: false
-    default: v1
+    default: v3
   github-token:
     description: DO NOT SET THIS.
     required: false