diff --git a/Gemfile.lock b/Gemfile.lock
index 27c0bb2..022253f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
       i18n (~> 0.4)
     gabba (1.0.1)
     highline (1.6.13)
-    hike (1.2.2)
+    hike (1.2.3)
     htmlentities (4.3.3)
     i18n (0.6.4)
     journey (1.0.4)
@@ -106,7 +106,7 @@ GEM
       treetop (~> 1.4.8)
     mime-types (1.23)
     mini_portile (0.6.2)
-    multi_json (1.7.4)
+    multi_json (1.13.1)
     mysql2 (0.3.11)
     mysql2 (0.3.11-x86-mingw32)
     net-scp (1.0.4)
@@ -134,7 +134,7 @@ GEM
     polyglot (0.3.3)
     quiet_assets (1.0.1)
       railties (~> 3.1)
-    rack (1.4.5)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.3)
@@ -175,7 +175,7 @@ GEM
       railties (~> 3.2.0)
       sass (>= 3.1.10)
       tilt (~> 1.3)
-    sprockets (2.2.2)
+    sprockets (2.2.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)