diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6a833531..30a4e2fd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,8 +24,8 @@ jobs:
           - '3.12'
         # Test all on ubuntu, test ends on macos and windows
         include:
-          - os: macos-12
-            # pin macos-12 (x86) because Python 3.9 is broken in the arm64 image
+          - os: macos-13
+            # pin macos-13 (x86) because Python 3.9 is broken in the arm64 image
             python-version: '3.9'
           - os: windows-latest
             python-version: '3.9'