diff --git a/Gemfile.lock b/Gemfile.lock
index 3db43f1..edb765c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,7 +70,7 @@ GEM
     terminal-table (2.0.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     unicode-display_width (1.8.0)
-    webrick (1.7.0)
+    webrick (1.8.1)
 
 PLATFORMS
   x86_64-linux