diff --git a/app/build.gradle b/app/build.gradle
index 60f6666..f256df0 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -81,4 +81,5 @@ dependencies {
     androidTestImplementation "androidx.arch.core:core-testing:$rootProject.androidxArchVersion"
     androidTestImplementation "androidx.arch.core:core-testing:$rootProject.coreTestingVersion"
 
+    testImplementation 'org.mockito:mockito-core:2.19.0'
 }