diff --git a/.github/workflows/python-package-conda.yml b/.github/workflows/python-package-conda.yml
index 0ce1782..0ab22a2 100644
--- a/.github/workflows/python-package-conda.yml
+++ b/.github/workflows/python-package-conda.yml
@@ -19,7 +19,7 @@ jobs:
         shell: bash -l {0}
     strategy:
       matrix:
-        os: [ubuntu-latest, macOS-latest, windows-latest]
+        os: [ubuntu-latest, macOS-13, windows-latest]
         python-version: [3.9, "3.10", "3.11", "3.12"]
 
     steps: