diff --git a/httpserver/pom.xml b/httpserver/pom.xml
index 1f47bf6..63680e9 100644
--- a/httpserver/pom.xml
+++ b/httpserver/pom.xml
@@ -74,7 +74,7 @@
 		<dependency>
 			<groupId>com.google.protobuf</groupId>
 			<artifactId>protobuf-java</artifactId>
-			<version>3.1.0</version>
+			<version>3.16.3</version>
 		</dependency>
 		<dependency>
 			<groupId>com.googlecode.protobuf-java-format</groupId>