diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1133657a..5a92f185 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,20 +2,26 @@ name: Github Actions
 on: [push, pull_request]
 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: ['binary:1.4', 'binary:stable']
 
     runs-on: ${{ matrix.os }}
 
     steps:
     - uses: actions/checkout@v2
-    - uses: jiro4989/setup-nim-action@v1
+    - uses: iffy/install-nim@v4
       with:
-        nim-version: ${{ matrix.nim-version }}
+        version: ${{ matrix.nim-version }}
     - run: nimble test --gc:arc -d:release -y
     - run: nimble test --gc:arc -d:release -d:pixieNoSimd -y
     - run: nimble test --gc:orc -d:release -y
     - run: nim cpp --gc:orc -d:release -r tests/all.nim
+      if: runner.os != 'macOS'
+    - run: nim cpp --gc:orc -d:release -d:pixieNoSimd -d:zippyNoSimd -r tests/all.nim
+      if: runner.os == 'macOS'
+    
\ No newline at end of file