diff --git a/build.gradle b/build.gradle
index 58726c0..30e474f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -70,7 +70,7 @@ dependencies {
 
     // unit tests
     testImplementation 'org.springframework.cloud:spring-cloud-stream'
-    testImplementation 'org.apache.kafka:kafka-streams-test-utils:3.8.0'
+    testImplementation 'org.apache.kafka:kafka-streams-test-utils:3.9.0'
 
     testImplementation('org.springframework.boot:spring-boot-starter-test') {
         exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'