diff --git a/.github/workflows/ci-osx.yml b/.github/workflows/ci-osx.yml
index 754f4b4..d4e87d4 100644
--- a/.github/workflows/ci-osx.yml
+++ b/.github/workflows/ci-osx.yml
@@ -5,9 +5,10 @@ on: [push, pull_request]
 jobs:
   build:
 
-    runs-on: macos-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
+        os: [macos-13, macos-14]
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
@@ -15,7 +16,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set up miniconda
-        uses: conda-incubator/setup-miniconda@v3.0.1
+        uses: conda-incubator/setup-miniconda@v3
         with:
           channels: conda-forge
           python-version: ${{ matrix.python-version }}