diff --git a/build.gradle b/build.gradle
index 8584fdedf..4cb6abbe0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -160,7 +160,7 @@ subprojects {
 
         testCompile 'org.jetbrains.kotlin:kotlin-test'
         testCompile 'org.jetbrains.kotlin:kotlin-test-junit'
-        testCompile 'org.mockito:mockito-core:3.4.0'
+        testCompile 'org.mockito:mockito-core:3.4.6'
         testCompile 'org.junit.jupiter:junit-jupiter-api:5.6.2'
 
         testRuntime 'org.junit.jupiter:junit-jupiter-engine:5.6.2'