diff --git a/Gemfile.lock b/Gemfile.lock
index d531aee81..d3dc824f1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -275,7 +275,7 @@ GEM
       concurrent-ruby (~> 1.0)
     uber (0.1.0)
     unicode-display_width (2.5.0)
-    webrick (1.8.1)
+    webrick (1.9.0)
     word_wrap (1.0.0)
     xcode-install (2.8.1)
       claide (>= 0.9.1)