diff --git a/Gemfile.lock b/Gemfile.lock
index a303c05b865..bb1c59db0c6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -128,7 +128,7 @@ GEM
       concurrent-ruby (~> 1.0)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)
-    webrick (1.8.2)
+    webrick (1.9.1)
 
 PLATFORMS
   ruby