diff --git a/build.gradle b/build.gradle
index cb4ac24..a4595b0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,6 +24,6 @@ dependencies {
   testImplementation 'org.spockframework:spock-spring:1.3-groovy-2.5'
   testImplementation 'org.springframework.boot:spring-boot-starter-test'
   testRuntimeOnly 'cglib:cglib-nodep:3.3.0'
-  testRuntimeOnly 'org.objenesis:objenesis:3.3'
+  testRuntimeOnly 'org.objenesis:objenesis:3.4'
   testRuntimeOnly 'org.apache.httpcomponents:httpclient'
 }