diff --git a/elasticsearch5-xh/elasticsearch5-xh-sink/pom.xml b/elasticsearch5-xh/elasticsearch5-xh-sink/pom.xml
index f1a684856..7e52eac9b 100644
--- a/elasticsearch5-xh/elasticsearch5-xh-sink/pom.xml
+++ b/elasticsearch5-xh/elasticsearch5-xh-sink/pom.xml
@@ -43,7 +43,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>3.15.0</version>
+            <version>3.16.3</version>
         </dependency>