diff --git a/Gemfile.lock b/Gemfile.lock
index 1469edb..d266644 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,7 +81,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.10.0)
-    concurrent-ruby (1.0.0)
+    concurrent-ruby (1.0.1)
     crack (0.3.1)
     cucumber (2.3.2)
       builder (>= 2.1.2)