diff --git a/kafka-e2e-kotlin-sample/order-service/pom.xml b/kafka-e2e-kotlin-sample/order-service/pom.xml
index 1c8b2c4..36e0858 100644
--- a/kafka-e2e-kotlin-sample/order-service/pom.xml
+++ b/kafka-e2e-kotlin-sample/order-service/pom.xml
@@ -18,7 +18,7 @@
     <properties>
         <java.version>1.8</java.version>
         <kotlin.version>1.3.31</kotlin.version>
-        <avro.version>1.8.2</avro.version>
+        <avro.version>1.11.3</avro.version>
         <confluent.version>5.2.1</confluent.version>
         <spring-cloud.version>2020.0.2</spring-cloud.version>
     </properties>