diff --git a/Gemfile.lock b/Gemfile.lock
index 0316b07..70fb9b6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -148,9 +148,7 @@ GEM
       unicode-display_width (>= 1.1.1, < 3)
     thor (1.2.1)
     unicode-display_width (2.1.0)
-    webrick (1.7.0)
-    yard (0.9.27)
-      webrick (~> 1.7.0)
+    yard (0.9.36)
 
 PLATFORMS
   ruby