diff --git a/Gemfile.lock b/Gemfile.lock
index dfc1162..a654dc4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -62,7 +62,7 @@ GEM
       multipart-post (~> 1.1)
     ffi (1.8.1)
     hashie (2.0.5)
-    hike (1.2.2)
+    hike (1.2.3)
     i18n (0.6.4)
     jbuilder (1.0.2)
       activesupport (>= 3.0.0)
@@ -85,7 +85,7 @@ GEM
       treetop (~> 1.4.8)
     mime-types (1.23)
     minitest (4.7.4)
-    multi_json (1.7.4)
+    multi_json (1.14.1)
     multipart-post (1.2.0)
     nokogiri (1.5.9)
     oauth (0.4.7)
@@ -100,7 +100,7 @@ GEM
       omniauth-oauth (~> 1.0)
     pg (0.15.1)
     polyglot (0.3.3)
-    rack (1.5.2)
+    rack (1.5.5)
     rack-test (0.6.2)
       rack (>= 1.0)
     rails (4.0.0.rc1)
@@ -151,7 +151,7 @@ GEM
       multi_json (~> 1.0)
       simplecov-html (~> 0.7.1)
     simplecov-html (0.7.1)
-    sprockets (2.10.0)
+    sprockets (2.12.5)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)