diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6d3b775c..fbdd2928 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -13,7 +13,7 @@ on:
 jobs:
   unit_tests:
     name: Unit Tests
-    runs-on: macos-13
+    runs-on: macos-14
     strategy:
       matrix:
         platform:
@@ -26,7 +26,7 @@ jobs:
     - name: Setup Xcode version
       uses: maxim-lobanov/setup-xcode@v1.6.0
       with:
-        xcode-version: latest-stable
+        xcode-version: 15.4
 
     - name: Setup ruby
       uses: ruby/setup-ruby@v1