diff --git a/Gemfile.lock b/Gemfile.lock
index 0973442..f2b7b94 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -156,10 +156,8 @@ GEM
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    webrick (1.7.0)
     word_wrap (1.0.0)
-    yard (0.9.28)
-      webrick (~> 1.7.0)
+    yard (0.9.36)
 
 PLATFORMS
   ruby