diff --git a/investigation-service/build.gradle b/investigation-service/build.gradle
index 38110aa19..0b9bcad56 100644
--- a/investigation-service/build.gradle
+++ b/investigation-service/build.gradle
@@ -50,7 +50,7 @@ dependencies {
     developmentOnly 'org.springframework.boot:spring-boot-devtools'
 
     implementation 'org.springframework.kafka:spring-kafka:3.3.1'
-    implementation 'org.apache.kafka:kafka-clients:3.9.2'
+    implementation 'org.apache.kafka:kafka-clients:4.2.0'
     implementation 'org.apache.kafka:connect-api:3.9.1'
 
     implementation 'io.debezium:debezium-core:2.4.1.Final'
diff --git a/ldfdata-service/build.gradle b/ldfdata-service/build.gradle
index f9a142ca4..09b1731ca 100644
--- a/ldfdata-service/build.gradle
+++ b/ldfdata-service/build.gradle
@@ -82,7 +82,7 @@ dependencyManagement {
 		dependency 'org.apache.tomcat.embed:tomcat-embed-el:11.0.11'
 		dependency 'org.apache.tomcat.embed:tomcat-embed-websocket:11.0.11'
         dependency 'com.fasterxml.jackson.core:jackson-core:2.21.1'
-        dependency 'org.apache.kafka:kafka-clients:3.9.2'
+        dependency 'org.apache.kafka:kafka-clients:4.2.0'
     }
 }
 
diff --git a/observation-service/build.gradle b/observation-service/build.gradle
index e236ba84b..d7047f442 100644
--- a/observation-service/build.gradle
+++ b/observation-service/build.gradle
@@ -83,7 +83,7 @@ dependencyManagement {
         dependency 'org.apache.tomcat.embed:tomcat-embed-el:11.0.11'
         dependency 'org.apache.tomcat.embed:tomcat-embed-websocket:11.0.11'
         dependency 'com.fasterxml.jackson.core:jackson-core:2.21.1'
-        dependency 'org.apache.kafka:kafka-clients:3.9.2'
+        dependency 'org.apache.kafka:kafka-clients:4.2.0'
     }
 }
 
diff --git a/organization-service/build.gradle b/organization-service/build.gradle
index d60c4d09d..7030fe9d9 100644
--- a/organization-service/build.gradle
+++ b/organization-service/build.gradle
@@ -81,7 +81,7 @@ dependencyManagement {
         dependency 'org.apache.tomcat.embed:tomcat-embed-el:11.0.11'
         dependency 'org.apache.tomcat.embed:tomcat-embed-websocket:11.0.11'
         dependency 'com.fasterxml.jackson.core:jackson-core:2.21.1'
-        dependency 'org.apache.kafka:kafka-clients:3.9.2'
+        dependency 'org.apache.kafka:kafka-clients:4.2.0'
     }
 }
 
diff --git a/person-service/build.gradle b/person-service/build.gradle
index da4ef9f7e..a1a774d82 100644
--- a/person-service/build.gradle
+++ b/person-service/build.gradle
@@ -84,7 +84,7 @@ dependencyManagement {
         dependency 'org.apache.tomcat.embed:tomcat-embed-el:11.0.11'
         dependency 'org.apache.tomcat.embed:tomcat-embed-websocket:11.0.11'
         dependency 'com.fasterxml.jackson.core:jackson-core:2.21.1'
-        dependency 'org.apache.kafka:kafka-clients:3.9.2'
+        dependency 'org.apache.kafka:kafka-clients:4.2.0'
     }
 }
 
diff --git a/post-processing-service/build.gradle b/post-processing-service/build.gradle
index ea5aa1731..b744e4848 100644
--- a/post-processing-service/build.gradle
+++ b/post-processing-service/build.gradle
@@ -105,7 +105,7 @@ dependencyManagement {
         dependency 'org.apache.tomcat.embed:tomcat-embed-el:11.0.11'
         dependency 'org.apache.tomcat.embed:tomcat-embed-websocket:11.0.11'
         dependency 'com.fasterxml.jackson.core:jackson-core:2.21.1'
-        dependency 'org.apache.kafka:kafka-clients:3.9.2'
+        dependency 'org.apache.kafka:kafka-clients:4.2.0'
     }
 }
 
diff --git a/reporting-hydration-service/build.gradle b/reporting-hydration-service/build.gradle
index 40a05f330..92c5931e1 100644
--- a/reporting-hydration-service/build.gradle
+++ b/reporting-hydration-service/build.gradle
@@ -52,7 +52,7 @@ dependencies {
     developmentOnly 'org.springframework.boot:spring-boot-devtools'
 
     implementation 'org.springframework.kafka:spring-kafka:3.3.1'
-    implementation 'org.apache.kafka:kafka-clients:3.9.2'
+    implementation 'org.apache.kafka:kafka-clients:4.2.0'
     implementation 'org.apache.kafka:connect-api:3.9.1'
     implementation 'io.debezium:debezium-core:2.4.1.Final'