diff --git a/build.gradle b/build.gradle
index be132ac..a404b3f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     ext.spring_version = '5.1.9.RELEASE'
     ext.jackson_version = '2.9.8'
     ext.thymeleaf_version = '3.0.11.RELEASE'
-    ext.junit5_version = '5.4.1'
+    ext.junit5_version = '5.5.1'
     ext.dokka_version = '0.9.17'
 
     repositories {
@@ -60,11 +60,12 @@ dependencies {
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
 
-    testImplementation "org.junit.jupiter:junit-jupiter-engine:$junit5_version"
-//    testImplementation "org.junit.jupiter:junit-jupiter-api:$junit5_version"
-    testImplementation "org.mockito:mockito-core:2.20.0"
-    testImplementation "org.springframework:spring-test:$spring_version"
-    testImplementation 'io.kotlintest:kotlintest-runner-junit5:3.3.1'
+    testImplementation "org.junit.jupiter:junit-jupiter:$junit5_version"
+    testImplementation 'org.mockito:mockito-junit-jupiter:2.23.4'
+    testImplementation 'org.jeasy:easy-random-core:4.0.0'
+    testImplementation 'org.jeasy:easy-random-randomizers:4.0.0'
+    testImplementation 'org.jeasy:easy-random-bean-validation:4.0.0'
+    testImplementation 'io.github.glytching:junit-extensions:2.3.0'
     testImplementation 'pl.pojo:pojo-tester:0.7.6'
 
 }