diff --git a/Gemfile.lock b/Gemfile.lock
index ece6bbf..17e7a02 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -145,7 +145,7 @@ GEM
       thor (>= 0.14, < 2.0)
     jquery-ui-rails (5.0.5)
       railties (>= 3.2.16)
-    json (1.8.3)
+    json (1.8.6)
     json_pure (1.8.3)
     kaminari (0.16.3)
       actionpack (>= 3.0.0)
@@ -233,8 +233,7 @@ GEM
       activesupport (>= 3.0)
       i18n
       polyamorous (~> 1.1)
-    rdoc (4.2.2)
-      json (~> 1.4)
+    rdoc (6.3.2)
     responders (2.2.0)
       railties (>= 4.2.0, < 5.1)
     rubyforge (2.0.4)