diff --git a/Gemfile.lock b/Gemfile.lock
index 740dd4a..6bc455a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -24,7 +24,7 @@ GEM
       nap
       open4 (~> 1.3)
     colored2 (3.1.2)
-    concurrent-ruby (1.3.6)
+    concurrent-ruby (1.3.7)
     connection_pool (3.0.2)
     cork (0.3.0)
       colored2 (~> 3.1)