diff --git a/Gemfile.lock b/Gemfile.lock
index e57e0ed..f018cff 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -74,9 +74,9 @@ GEM
     galetahub-simple_captcha (0.1.3)
     hike (1.2.1)
     honeypot-captcha (0.0.2)
-    httparty (0.8.3)
-      multi_json (~> 1.0)
-      multi_xml
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
+      multi_xml (>= 0.5.2)
     i18n (0.6.1)
     journey (1.0.4)
     jquery-rails (2.0.1)
@@ -88,8 +88,9 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.20.1)
-    multi_json (1.5.0)
-    multi_xml (0.5.1)
+    mini_mime (1.1.2)
+    multi_json (1.15.0)
+    multi_xml (0.6.0)
     multipart-post (1.1.5)
     nokogiri (1.5.5)
     nokogiri (1.5.5-x86-mingw32)
@@ -132,7 +133,6 @@ GEM
       tilt (~> 1.3)
     sendgrid (1.0.1)
       json
-      json
     sprockets (2.2.2)
       hike (~> 1.2)
       multi_json (~> 1.0)