diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index f679165..23e5b44 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -11,9 +11,11 @@ jobs:
       matrix:
         version:
           - '1.6'
-          - 'nightly'
+          - '1'
         os:
           - ubuntu-latest
+          - macos-latest
+          - windows-latest
         arch:
           - x64
     steps: