diff --git a/.github/workflows/run_test_case.yaml b/.github/workflows/run_test_case.yaml
index aaa8039..485e1e2 100644
--- a/.github/workflows/run_test_case.yaml
+++ b/.github/workflows/run_test_case.yaml
@@ -1,6 +1,12 @@
 name: Run test case
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
 
 jobs:
     run_test_case: