diff --git a/noark-network/pom.xml b/noark-network/pom.xml
index 81df75b6..a9f981bc 100644
--- a/noark-network/pom.xml
+++ b/noark-network/pom.xml
@@ -48,7 +48,7 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java</artifactId>
-      <version>3.6.0</version>
+      <version>3.16.1</version>
       <scope>compile</scope>
     </dependency>
     <dependency>