diff --git a/.github/workflows/code-freeze.yml b/.github/workflows/code-freeze.yml
index 05b0fa9..2cbb622 100644
--- a/.github/workflows/code-freeze.yml
+++ b/.github/workflows/code-freeze.yml
@@ -3,7 +3,7 @@ name: Code Freeze Bot
 # Controls when the workflow will run
 on:
   pull_request_target:
-    branches: [ "master", "v[0-9]{4}.[0-9]{2}.[0-9]{2}" ]
+    branches: [ "v[0-9]+.[0-9]+.[0-9]+" ]
   issue_comment:
     types: [created]