diff --git a/.github/workflows/deploy.docs.yml b/.github/workflows/deploy.docs.yml
index 3fecedab..7cbe0f15 100644
--- a/.github/workflows/deploy.docs.yml
+++ b/.github/workflows/deploy.docs.yml
@@ -1,7 +1,9 @@
 name: deploy:docs
 
-# TODO: on master only
-on: push
+on:
+  push:
+    branches:
+      - main
 
 jobs:
   # Build job