diff --git a/Gemfile.lock b/Gemfile.lock
index bc371ba1..ed8cbd64 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -231,8 +231,7 @@ GEM
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
-    spring (2.0.2)
-      activesupport (>= 4.2)
+    spring (2.1.0)
     sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)