diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 07933b8..91f88c6 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -29,13 +29,14 @@ jobs:
       - name: Run tests
         run: |
           mason test --show
-  # mac-test:
-  #   runs-on: macos-latest
-  #   steps:
-  #     - uses: actions/checkout@v3
-  #     - name: Install dependencies
-  #       run: |
-  #         brew install chapel
-  #     - name: Run test
-  #       run: |
-  #         mason test --show
+  mac-test:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install dependencies
+        run: |
+          brew upgrade chapel
+          brew install chapel
+      - name: Run test
+        run: |
+          mason test --show