diff --git a/Gemfile.lock b/Gemfile.lock
index ff9e5838f..488cf5958 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -151,7 +151,7 @@ GEM
       climate_control (>= 0.0.3, < 1.0)
     coderay (1.1.3)
     color_diff (0.1)
-    concurrent-ruby (1.1.6)
+    concurrent-ruby (1.1.7)
     connection_pool (2.2.3)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)