diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 236e34a..94e0ee7 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -31,7 +31,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-10.15, macos-11]
+        os: [ubuntu-latest, macos-latest]
         python-version: ["3.9",]
 
     steps: