diff --git a/kafka-quarkus/pom.xml b/kafka-quarkus/pom.xml
index 2a796b2..595c795 100644
--- a/kafka-quarkus/pom.xml
+++ b/kafka-quarkus/pom.xml
@@ -87,7 +87,7 @@
         <dependency>
             <groupId>org.apache.kafka</groupId>
             <artifactId>kafka-clients</artifactId>
-            <version>3.9.0</version>
+            <version>3.9.1</version>
         </dependency>
         <!-- Testing -->
         <dependency>
diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 079af8f..cb72677
--- a/pom.xml
+++ b/pom.xml
@@ -36,7 +36,7 @@
     <properties>
         <maven.compiler.source>17</maven.compiler.source>
         <maven.compiler.target>17</maven.compiler.target>
-        <kafka.version>4.0.0</kafka.version>
+        <kafka.version>3.9.1</kafka.version>
         <avro.version>1.11.4</avro.version>
         <confluent.version>7.9.0</confluent.version>
         <apicurio.registry.version>2.4.1.Final</apicurio.registry.version>