diff --git a/build.gradle b/build.gradle
index 44e1c35..490e986 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,7 +13,7 @@ ext.deps = [rxjava2           : 'io.reactivex.rxjava2:rxjava:2.2.19',
             rxandroid2        : 'io.reactivex.rxjava2:rxandroid:2.1.1',
             appcompatv7       : 'com.android.support:appcompat-v7:28.0.0',
             junit             : 'junit:junit:4.13',
-            mockitocore       : 'org.mockito:mockito-core:3.3.3',
+            mockitocore       : 'org.mockito:mockito-core:3.4.0',
             truth             : 'com.google.truth:truth:1.0.1',
             kotlinstdlib      : "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion",
             kotlingradleplugin: "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"]