diff --git a/Gemfile.lock b/Gemfile.lock
index a5662b3..f35bf86 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,7 +17,7 @@ GEM
     simplecov-html (0.12.3)
     test-unit (3.3.6)
       power_assert
-    yard (0.9.25)
+    yard (0.9.36)
 
 PLATFORMS
   ruby