diff --git a/pom.xml b/pom.xml
index bcaf9a7..3c3af5e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
 		<dependency>
 	    	<groupId>com.google.protobuf</groupId>
     	 	<artifactId>protobuf-java</artifactId>
-         	<version>3.19.4</version>
+         	<version>3.19.6</version>
     	</dependency>
 
         <!-- https://mvnrepository.com/artifact/org.zeromq/jeromq -->