diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 900544f..0d0c9be 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-11, macos-10.15]
+        os: [macos-11, macos-12]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Set up Homebrew