diff --git a/Gemfile.lock b/Gemfile.lock
index f02aeb640f..8358149a38 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -143,7 +143,7 @@ GEM
       logger (~> 1.5)
     cliver (0.3.2)
     coderay (1.1.3)
-    concurrent-ruby (1.3.6)
+    concurrent-ruby (1.3.7)
     connection_pool (3.0.2)
     crack (1.0.1)
       bigdecimal