diff --git a/Gemfile.lock b/Gemfile.lock
index 3606f2f..ab0c782 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,8 +56,8 @@ GEM
     faker (1.4.3)
       i18n (~> 0.5)
     hike (1.2.3)
-    httparty (0.13.3)
-      json (~> 1.8)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     httpclient (2.5.3.2)
     i18n (0.6.11)
@@ -68,13 +68,14 @@ GEM
     jquery-rails (3.1.2)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.1)
+    json (1.8.6)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     mime-types (2.4.3)
+    mini_mime (1.1.2)
     minitest (5.4.2)
     multi_json (1.10.1)
-    multi_xml (0.5.5)
+    multi_xml (0.6.0)
     pg (0.17.1)
     pusher (0.14.2)
       httpclient (~> 2.4)