diff --git a/mockito-kotlin/build.gradle b/mockito-kotlin/build.gradle
index f31f662b..2d3112a1 100644
--- a/mockito-kotlin/build.gradle
+++ b/mockito-kotlin/build.gradle
@@ -23,7 +23,7 @@ dependencies {
     compileOnly "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
     compileOnly 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.0.0'
 
-    compile "org.mockito:mockito-core:4.0.0"
+    compile "org.mockito:mockito-core:4.5.1"
 
     testCompile 'junit:junit:4.12'
     testCompile 'com.nhaarman:expect.kt:1.0.1'
diff --git a/tests/build.gradle b/tests/build.gradle
index d590adca..6346887b 100644
--- a/tests/build.gradle
+++ b/tests/build.gradle
@@ -21,7 +21,7 @@ dependencies {
     compile files("${rootProject.projectDir}/mockito-kotlin/build/libs/mockito-kotlin-${version}.jar")
 
     compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    compile "org.mockito:mockito-core:4.0.0"
+    compile "org.mockito:mockito-core:4.5.1"
 
     testCompile "junit:junit:4.12"
     testCompile "com.nhaarman:expect.kt:1.0.1"