diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cb16c28..1fa135c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.7", "3.12"]
-        runs-on: [ubuntu-latest, macos-latest, windows-latest]
+        runs-on: [ubuntu-latest, macos-13, windows-latest]
 
         include:
         - python-version: pypy-3.9