diff --git a/Gemfile.lock b/Gemfile.lock
index eab326a..94b10ef 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -119,7 +119,7 @@ GEM
       unicode-display_width (>= 1.1.1, < 3)
     thor (0.20.3)
     unicode-display_width (2.6.0)
-    webrick (1.9.0)
+    webrick (1.9.1)
 
 PLATFORMS
   aarch64-linux