diff --git a/Gemfile.lock b/Gemfile.lock
index 826f106e..2893cd55 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,7 +78,7 @@ GEM
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     unicode-display_width (2.6.0)
-    webrick (1.9.0)
+    webrick (1.9.1)
 
 PLATFORMS
   ruby