diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 373ec9c9..a2f5c32a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,12 +1,22 @@
 name: Github Actions
-on: [push, pull_request]
+
+on:
+  push:
+    branches:
+      - '**'
+  pull_request:
+    branches:
+      - master
+
 jobs:
   build:
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest]
-        nim-version: ['1.4.x', 'stable']
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        nim-version: ['1.4.x', '2.2.0', '2.0.12']
 
     runs-on: ${{ matrix.os }}