diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index d543511b..2ea54be5 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -20,14 +20,18 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.6'
+          - '1.7'
           - 'nightly'
         os:
           - ubuntu-latest
-          #- macOS-latest
+          - macOS-latest
           #- windows-latest
         arch:
           - x64
+        exclude:
+          - os: ubuntu-latest
+            version: '1.7'
+            arch: x64
     steps:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@v1