diff --git a/build.gradle b/build.gradle
index bf5c0e5..91929e5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 plugins {
     id 'java'
-    id 'com.google.protobuf' version '0.9.3'
+    id 'com.google.protobuf' version '0.9.4'
 }
 
 version = '0.2.0'