diff --git a/Gemfile.lock b/Gemfile.lock
index d5b816c..e4f2f4d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,7 +48,7 @@ GEM
     eventmachine (1.0.0-x86-mingw32)
     execjs (1.4.0)
       multi_json (~> 1.0)
-    hike (1.2.1)
+    hike (1.2.3)
     i18n (0.6.1)
     journey (1.0.4)
     jquery-rails (2.1.2)
@@ -65,7 +65,7 @@ GEM
     mysql2 (0.3.11-x86-mingw32)
     orm_adapter (0.4.0)
     polyglot (0.3.3)
-    rack (1.4.1)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.2)
@@ -99,7 +99,7 @@ GEM
     simple_form (2.0.2)
       actionpack (~> 3.0)
       activemodel (~> 3.0)
-    sprockets (2.1.3)
+    sprockets (2.1.4)
       hike (~> 1.2)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
@@ -112,7 +112,7 @@ GEM
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
     thor (0.16.0)
-    tilt (1.3.3)
+    tilt (1.4.1)
     treetop (1.4.10)
       polyglot
       polyglot (>= 0.3.1)