diff --git a/Gemfile.lock b/Gemfile.lock
index 7459173bc..de8e84821 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GEM
       io-event (~> 1.1)
       timers (~> 4.1)
     colorator (1.1.0)
-    concurrent-ruby (1.2.3)
+    concurrent-ruby (1.3.7)
     console (1.23.3)
       fiber-annotation
       fiber-local