diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 84a6402..d27b940 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ on:
 
 jobs:
   build:
-    runs-on: macos-latest
+    runs-on: macos-12
     steps:
       - uses: actions/checkout@v3
       - name: macOS build and test
@@ -20,7 +20,7 @@ jobs:
       - name: iOS build and test
         run: |
           set -o pipefail
-          xcodebuild test -workspace ZMarkupParser.xcworkspace -testPlan ZMarkupParser -scheme ZMarkupParser -enableCodeCoverage YES -resultBundlePath './scripts/TestResult.xcresult' -destination 'platform=iOS Simulator,name=iPhone 14,OS=16.4' build test | xcpretty
+          xcodebuild test -workspace ZMarkupParser.xcworkspace -testPlan ZMarkupParser -scheme ZMarkupParser -enableCodeCoverage YES -resultBundlePath './scripts/TestResult.xcresult' -destination 'platform=iOS Simulator,name=iPhone 14,OS=16.2' build test | xcpretty
       - name: Codecov
         uses: codecov/codecov-action@v3.1.1
         with: