diff --git a/part2.3-message-broker/build.gradle b/part2.3-message-broker/build.gradle
index 1b95355..9c86ae8 100644
--- a/part2.3-message-broker/build.gradle
+++ b/part2.3-message-broker/build.gradle
@@ -19,14 +19,14 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-validation'
     implementation 'org.springframework:spring-webflux'
     implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.8.6'
-    implementation 'pl.allegro.tech.hermes:hermes-client:2.11.2'
+    implementation 'pl.allegro.tech.hermes:hermes-client:2.12.0'
     implementation 'org.eclipse.jetty:jetty-reactive-httpclient:4.0.4'
     implementation 'io.projectreactor.netty:reactor-netty:1.3.0'
 
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")
     testImplementation project(':commons')
     testImplementation project(':commons-rest')
-    testImplementation 'pl.allegro.tech.hermes:hermes-mock:2.11.2'
+    testImplementation 'pl.allegro.tech.hermes:hermes-mock:2.12.0'
     testImplementation 'org.spockframework:spock-spring:2.4-M4-groovy-4.0'
 }