diff --git a/.github/workflows/latex_build.yml b/.github/workflows/latex_build.yml
index 5149eae..28ecf11 100644
--- a/.github/workflows/latex_build.yml
+++ b/.github/workflows/latex_build.yml
@@ -1,5 +1,9 @@
 name: Build LaTeX document
-on: [push]
+on:
+  push:
+    branches:
+      - '*'
+      - '!main'
 
 jobs:
   build_latex: