diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3c7ba2ae..5b629e41 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,17 +1,13 @@
 name: CI
 
 # Triggers the workflow on push or pull request events
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
+on: [push, pull_request]
 
 jobs:
   bats-test:
     strategy:
       matrix:
-        os: [ubuntu-20.04, ubuntu-18.04, macos-10.15, macos-11.0]
+        os: [ubuntu-20.04, ubuntu-18.04, macos-10.15, macos-11]
 
     runs-on: ${{ matrix.os }}