diff --git a/.github/workflows/run_test_cases.yaml b/.github/workflows/run_test_cases.yaml
index 04391f06c..def12cb16 100644
--- a/.github/workflows/run_test_cases.yaml
+++ b/.github/workflows/run_test_cases.yaml
@@ -6,7 +6,7 @@ on:
       - v*
       - e*
     branches:
-      - 'main-v4.?'
+      - 'main-v4.[0-9]?'
   pull_request:
 
 jobs: