diff --git a/Gemfile.lock b/Gemfile.lock
index 1fe0a885..6750e136 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -158,7 +158,7 @@ GEM
     climate_control (0.2.0)
     coderay (1.1.3)
     color_diff (0.1)
-    concurrent-ruby (1.1.9)
+    concurrent-ruby (1.2.2)
     connection_pool (2.2.5)
     cose (1.0.0)
       cbor (~> 0.5.9)