diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index eebc79f..8b0cc60 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -4,6 +4,8 @@ on:
   workflow_dispatch:      # Start a workflow
   pull_request:
   push:
+    branches:
+      - master
 
 jobs:
   build-esp-idf-component: