diff --git a/build.gradle b/build.gradle
index 1644f70..d4d4fce 100644
--- a/build.gradle
+++ b/build.gradle
@@ -30,7 +30,7 @@ dependencies{
 
     testImplementation group: 'junit', name: 'junit', version: '4.13'
 
-    testCompile "org.mockito:mockito-core:3.3.3"
+    testCompile "org.mockito:mockito-core:3.4.4"
 }
 
 task sourcesJar(type: Jar, dependsOn: classes){