diff --git a/examples/flutter_gallery/android/app/build.gradle b/examples/flutter_gallery/android/app/build.gradle
index 2f596299ec..b416ceef0e 100644
--- a/examples/flutter_gallery/android/app/build.gradle
+++ b/examples/flutter_gallery/android/app/build.gradle
@@ -74,6 +74,7 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:rules:1.0.1'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
     implementation 'com.android.support:appcompat-v7:27.1.1'