diff --git a/gwt-archetype-resources/pom.xml b/gwt-archetype-resources/pom.xml
index 48712a4..cdd797a 100644
--- a/gwt-archetype-resources/pom.xml
+++ b/gwt-archetype-resources/pom.xml
@@ -22,7 +22,7 @@
         <junit.version>4.4</junit.version>
         <servlet.version>2.5-20081211</servlet.version>
         <jetty.version>9.3.7.v20160115</jetty.version>
-        <protobuf.version>2.3.0</protobuf.version>
+        <protobuf.version>3.16.3</protobuf.version>
         <jackson.version>1.7.9</jackson.version>
         <protostuff.version>1.0.2-SNAPSHOT</protostuff.version>