diff --git a/Gemfile.lock b/Gemfile.lock
index 13ae2ac..fe90cda 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,7 +14,7 @@ GEM
     test-spec (0.10.0)
     test-unit (2.1.2)
     xml-simple (1.0.12)
-    yard (0.6.2)
+    yard (0.9.36)
 
 PLATFORMS
   ruby