diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f705a8e..6e16a3b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,11 +1,14 @@
 name: CI
-on: [push, pull_request]
+on:
+  push:
+    branches: [main]
+  pull_request: {}
 jobs:
   ci:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        emacs_version: [26, 27, "master"]
+        emacs_version: [26, 27, 28, 29, 30]
     steps:
       - name: Checkout
         uses: actions/checkout@v2