diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index bd5a175..c964181 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -8,10 +8,10 @@ on:
 
 jobs:
     macos-build:
-        runs-on: macos-latest
+        runs-on: macOS-13
 
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v4
             - name: Build (macOS)
               run: swift build -v
             - name: Run tests
@@ -22,7 +22,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v4
             - name: Build (Ubuntu)
               run: swift build -v
             - name: Run tests