diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index f1ab93774..05d0be4f3 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -20,13 +20,16 @@ jobs:
       matrix:
         julia-version:
           - '1.6'
-          - '~1.7.0-0'
+          - '1.7'
+          - '1.8'
+          - '~1.9.0-0'
           - 'nightly'
-        julia-arch:
-          - x64
         os:
           - ubuntu-latest
-          - macOS-latest
+        include:
+          # Add a few macOS jobs (not too many, the number we can run in parallel is limited)
+          - os: macOS-latest
+            julia-version: '1.6'
 
     steps:
       - uses: actions/checkout@v3
@@ -38,7 +41,6 @@ jobs:
         uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.julia-version }}
-          arch: ${{ matrix.julia-arch }}
       - name: Cache artifacts
         uses: actions/cache@v3
         env: