diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index d861379b372..50ccbf7b4d5 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -25,7 +25,7 @@ GEM
     coffee-script-source (1.12.2)
     colorator (1.1.0)
     commonmarker (0.23.11)
-    concurrent-ruby (1.3.5)
+    concurrent-ruby (1.3.7)
     connection_pool (2.5.0)
     csv (3.3.2)
     dnsruby (1.72.4)