diff --git a/Gemfile.lock b/Gemfile.lock
index 20679984109..78c20b56e4b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -577,7 +577,7 @@ GEM
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    webrick (1.8.2)
+    webrick (1.9.0)
     websocket (1.2.11)
     xpath (3.2.0)
       nokogiri (~> 1.8)