diff --git a/.github/workflows/pre-release.yml b/.github/workflows/pre-release.yml
index bd00bf4..e84ded3 100644
--- a/.github/workflows/pre-release.yml
+++ b/.github/workflows/pre-release.yml
@@ -3,7 +3,10 @@
 
 name: Build and generate documentation
 
-on: push
+on: 
+  push:
+    branches:
+      - '!main'
 
 permissions:
   contents: write