diff --git a/kafka-webview-ui/pom.xml b/kafka-webview-ui/pom.xml
index f90695ca..013a9f78 100644
--- a/kafka-webview-ui/pom.xml
+++ b/kafka-webview-ui/pom.xml
@@ -35,7 +35,7 @@
         <avro.version>1.11.0</avro.version>
         <bootstrap.version>4.0.0-beta</bootstrap.version>
         <kafka.version>2.8.1</kafka.version>
-        <protobuf.version>3.20.0</protobuf.version>
+        <protobuf.version>3.20.3</protobuf.version>
         <thymeleaf.version>3.0.15.RELEASE</thymeleaf.version>
         <guava.version>31.1-jre</guava.version>
     </properties>