diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 21b96603..a3ddfc7c 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -47,6 +47,12 @@ jobs:
       - name: Check out
         uses: actions/checkout@v2
 
+      - name: Validate Gradle Wrapper
+        uses: gradle/actions/wrapper-validation@v4
+
+      - name: Execute Gradle build
+        run: ./gradlew clean check integrationTest --scan --stacktrace
+
       - name: Generate Pages
         run: ./generate-pages
 
diff --git a/self-check/settings.gradle b/self-check/settings.gradle
index f2a65ff9..f228cc8a 100644
--- a/self-check/settings.gradle
+++ b/self-check/settings.gradle
@@ -1,7 +1,6 @@
 pluginManagement {
     repositories {
         maven { url = "file:../build/maven-repo"}
-        mavenCentral()
     }
 }