diff --git a/Gemfile.lock b/Gemfile.lock
index 0b267fcfb313b61fab7a123412e059453946b8f1..8634a9e8822741877442883769559a28af9377e5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -330,7 +330,7 @@ GEM
       multi_json (~> 1.10)
       retriable (~> 1.4)
       signet (~> 0.6)
-    google-protobuf (3.3.0)
+    google-protobuf (3.4.0.2)
     googleauth (0.5.1)
       faraday (~> 0.9)
       jwt (~> 1.4)