diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 243fb5d..2fd0fe4 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   build:
-    runs-on: macos-latest
+    runs-on: macos-13
     steps:
       - uses: actions/checkout@v4
 
@@ -18,7 +18,7 @@ jobs:
         run: swift build -v
 
   test:
-    runs-on: macos-latest
+    runs-on: macos-13
     steps:
       - uses: actions/checkout@v4