diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 287f42e..9510f75 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,13 +13,13 @@ env:
 jobs:
   run_tests:
     name: Run tests
-    runs-on: macos-12
+    runs-on: macos-13
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v3
       - uses: maxim-lobanov/setup-xcode@v1
         with:
-          xcode-version: latest-stable
+          xcode-version: '15.1'
       - name: Run tests
         run: |
           swift test
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0185f43..209fcbf 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,13 +16,13 @@ concurrency:
 jobs:
   run_tests:
     name: Run tests
-    runs-on: macos-12
+    runs-on: macos-13
     timeout-minutes: 5
     steps:
       - uses: actions/checkout@v3
       - uses: maxim-lobanov/setup-xcode@v1
         with:
-          xcode-version: latest-stable
+          xcode-version: '15.1'
       - name: Run tests
         run: |
           swift test