diff --git a/00_framework/chat/pom.xml b/00_framework/chat/pom.xml
index ff2652c0..59b4f187 100644
--- a/00_framework/chat/pom.xml
+++ b/00_framework/chat/pom.xml
@@ -50,7 +50,7 @@
         <dependency>
 			<groupId>com.google.protobuf</groupId>
 			<artifactId>protobuf-java</artifactId>
-			<version>3.6.0</version>
+			<version>3.16.1</version>
 		</dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>