diff --git a/Gemfile.lock b/Gemfile.lock
index 6669ad0b..8178bf69 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -91,7 +91,7 @@ GEM
     colored2 (3.1.2)
     commander (4.6.0)
       highline (~> 2.0.0)
-    concurrent-ruby (1.3.6)
+    concurrent-ruby (1.3.7)
     connection_pool (3.0.2)
     cork (0.3.0)
       colored2 (~> 3.1)