diff --git a/.github/workflows/build_docs.yml b/.github/workflows/build_docs.yml
index 1326276c..116e8e5e 100644
--- a/.github/workflows/build_docs.yml
+++ b/.github/workflows/build_docs.yml
@@ -1,7 +1,7 @@
 name: build_docs
 on:
   push:
-    branches: [*]
+    branches: [main]
 permissions:
   contents: write
 jobs: