diff --git a/Gemfile.lock b/Gemfile.lock
index 7cc48b4..64d1291 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,7 +48,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.10.0)
-    concurrent-ruby (1.0.1)
+    concurrent-ruby (1.0.2)
     coveralls (0.8.13)
       json (~> 1.8)
       simplecov (~> 0.11.0)