diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index c9ff833..44e8f40 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -1,6 +1,9 @@
 name: Generate docs
-on: push
 
+on:
+  push:
+    branches:
+      - master
 jobs:
   docs:
     runs-on: ubuntu-latest