diff --git a/Gemfile.lock b/Gemfile.lock
index b06fc1a8e..cada980dc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -574,7 +574,7 @@ GEM
       hashie
       websocket-driver
     slop (3.6.0)
-    spring (3.1.1)
+    spring (4.0.0)
     spring-commands-rspec (1.0.4)
       spring (>= 0.9.1)
     spring-commands-testunit (1.0.1)