diff --git a/pom.xml b/pom.xml
index bcf0da6a..dfce95f1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -166,7 +166,7 @@
                 <dependency>
                     <groupId>com.google.protobuf</groupId>
                     <artifactId>protobuf-java</artifactId>
-                    <version>2.4.1</version>
+                    <version>3.4.0</version>
                 </dependency>
 
                 <dependency>