diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 04c351c..fbbabc2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
       matrix:
         os:
           - ubuntu-18.04
-#         - macos-11.0
+          - macos-11
           - macos-10.15
           - macos-10.13
         toolchain: