diff --git a/Gemfile.lock b/Gemfile.lock
index af0bd1c8c..520c7b68d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -40,7 +40,7 @@ GEM
     bigdecimal (3.3.1)
     byebug (12.0.0)
     coderay (1.1.3)
-    concurrent-ruby (1.3.5)
+    concurrent-ruby (1.3.6)
     connection_pool (3.0.1)
     date (3.4.1)
     debug (1.11.0)