diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index d5a83548b..de0b1cba0 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -27,7 +27,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-12]
+        os: [macos-14]
         python-version: ["3.10", "3.11", "3.12"]
         rdkit: [true, false]
         openeye: [true, false]