diff --git a/.github/workflows/smoke-test.yml b/.github/workflows/smoke-test.yml
index aa4dde6..d82dda3 100644
--- a/.github/workflows/smoke-test.yml
+++ b/.github/workflows/smoke-test.yml
@@ -12,6 +12,10 @@ jobs:
   validate-podspec:
     runs-on: macos-latest
     steps:
+      - uses: maxim-lobanov/setup-xcode@v1.6.0
+      with:
+        xcode-version: '15.3' # Google Mobile Ads SDK requires Xcode 15.3 starting in version 11.6.0
+
       - uses: chartboost/chartboost-mediation-ios-actions/adapter-smoke-test@v1
         with:
           allow-warnings: true