diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eae449e..b2590e9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,7 +42,7 @@ jobs:
             python-version: "3.7"
           - os: windows-latest
             python-version: "3.12"
-          - os: macos-latest
+          - os: macos-12
             python-version: "3.7"
           - os: macos-latest
             python-version: "3.12"