diff --git a/Gemfile.lock b/Gemfile.lock
index e57e0ed..3088ebe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -82,7 +82,7 @@ GEM
     jquery-rails (2.0.1)
       railties (>= 3.2.0, < 5.0)
       thor (~> 0.14)
-    json (1.7.6)
+    json (1.8.6)
     mail (2.4.4)
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
@@ -123,7 +123,7 @@ GEM
       rdoc (~> 3.4)
       thor (>= 0.14.6, < 2.0)
     rake (10.0.3)
-    rdoc (3.12)
+    rdoc (3.12.2)
       json (~> 1.4)
     sass (3.1.15)
     sass-rails (3.2.5)
@@ -132,7 +132,6 @@ GEM
       tilt (~> 1.3)
     sendgrid (1.0.1)
       json
-      json
     sprockets (2.2.2)
       hike (~> 1.2)
       multi_json (~> 1.0)