diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 423bcb5..b42cece 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,5 +1,8 @@
 name: Workflow for Codecov Action
-on: [push, pull_request]
+on:
+  push:
+    branches: master
+  pull_request:
 jobs:
   run:
     runs-on: ubuntu-latest