diff --git a/Gemfile.lock b/Gemfile.lock
index a33d60255846ac..d64f967b89f739 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -193,7 +193,7 @@ GEM
     cocoon (1.2.15)
     coderay (1.1.3)
     color_diff (0.1)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.3.4)
     connection_pool (2.3.0)
     cose (1.3.0)
       cbor (~> 0.5.9)