diff --git a/build.gradle b/build.gradle
index 39aafe9..5336310 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,6 +22,6 @@
 dependencies {
     // testing
     testCompile 'junit:junit:4.12'
-    testCompile 'org.mockito:mockito-core:2.10.0'
+    testCompile 'org.mockito:mockito-core:2.13.0' 
     testCompile 'org.assertj:assertj-core:3.6.2'
 }
\ No newline at end of file