diff --git a/Gemfile.lock b/Gemfile.lock
index add10654..2f654fd3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
     concurrent-ruby (0.8.0-java)
     concurrent-ruby-ext (0.8.0)
       concurrent-ruby (~> 0.8.0)
-    database_cleaner (1.4.0)
+    database_cleaner (1.4.1)
     debug_inspector (0.0.2)
     debugger-linecache (1.2.0)
     diff-lcs (1.2.5)
@@ -220,7 +220,6 @@ GEM
       i18n
       polyamorous (~> 1.1)
     rdoc (4.2.0)
-      json (~> 1.4)
     ref (1.0.5)
     rspec (3.1.0)
       rspec-core (~> 3.1.0)