diff --git a/Gemfile.lock b/Gemfile.lock
index cf833ba..3aedd6b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -84,7 +84,7 @@ GEM
       polyglot (>= 0.3.1)
     uuidtools (2.1.2)
     yajl-ruby (1.1.0)
-    yard (0.8.2.1)
+    yard (0.9.20)
 
 PLATFORMS
   ruby