diff --git a/app/build.gradle b/app/build.gradle
index 6becb6b9e..c157be402 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -120,7 +120,7 @@ dependencies {
     implementation 'com.journeyapps:zxing-android-embedded:3.6.0'
 
     testImplementation 'junit:junit:4.12'
-    testImplementation "io.mockk:mockk:1.8.12"
+    testImplementation "io.mockk:mockk:1.8.13"
     testImplementation 'org.threeten:threetenbp:1.3.8'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'