diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index dfd97e84f..055296fff 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -143,7 +143,7 @@ jobs:
         run: |
           while xcodebuild -resolvePackageDependencies \
             -scheme BrowserServicesKit-Package \
-            -destination 'platform=iOS Simulator,name=iPhone 16,OS=18' \
+            -destination 'platform=iOS Simulator,name=iPhone 16,OS=18.0' \
             -derivedDataPath DerivedData \
             2>&1 | grep Error; do :; done
 
@@ -156,7 +156,7 @@ jobs:
         run: |
           set -o pipefail && xcodebuild test \
             -scheme BrowserServicesKit \
-            -destination 'platform=iOS Simulator,name=iPhone 16,OS=18' \
+            -destination 'platform=iOS Simulator,name=iPhone 16,OS=18.0' \
             -derivedDataPath DerivedData \
             -skipPackagePluginValidation \
             -skipMacroValidation \