diff --git a/Gemfile.lock b/Gemfile.lock
index 99a3605de..fbff12408 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -166,7 +166,7 @@ GEM
     coderay (1.1.3)
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
-    concurrent-ruby (1.3.4)
+    concurrent-ruby (1.3.5)
     config (5.5.2)
       deep_merge (~> 1.2, >= 1.2.1)
       ostruct