diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 667012c..6c2b403 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -39,7 +39,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [windows-2019, ubuntu-20.04, macos-10.15]
+        os: [windows-2019, ubuntu-20.04, macos-11]
         python-version: ["3.7", "3.8", "3.9", "3.10"]
 
     steps: