diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 73d7d2e12618c4842c039c557b4db1e6c8ae1e09..cb857832c6f9caccc459b16d0c7d99cbd42107e9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,6 +1,8 @@
 name: Build LaTeX document
 on: 
   push:
+    branches:
+      - master
     tags:
       - "!v*"
   pull_request: