diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 8840deba..5c5410dd 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -13,7 +13,7 @@ env:
 jobs:
   test:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
@@ -21,8 +21,23 @@ jobs:
           - '1'
         os:
           - ubuntu-latest
+          - windows-latest
+          - macOS-13 # intel
+          - macOS-14 # arm
         arch:
           - x64
+          - aarch64
+        exclude:
+          - os: ubuntu-latest
+            arch: aarch64
+          - os: windows-latest
+            arch: aarch64
+          - os: macOS-13 
+            arch: aarch64
+          - os: macOS-14
+            version: 1.6
+          - os: macOS-14
+            arch: x64
     steps:
       - name: Set debug env
         run: export JULIA_DEBUG="loading"