diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 4b4dcbf..486f04d 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -17,7 +17,7 @@ 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)
     csv (3.3.6)
     dnsruby (1.72.4)
       base64 (~> 0.2.0)