diff --git a/Gemfile.lock b/Gemfile.lock
index 4715363c5b8..7c9dd051211 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -352,7 +352,7 @@ GEM
     grape-entity (0.6.0)
       activesupport
       multi_json (>= 1.3.2)
-    grpc (1.2.5)
+    grpc (1.4.0)
       google-protobuf (~> 3.1)
       googleauth (~> 0.5.1)
     haml (4.0.7)