diff --git a/Gemfile.lock b/Gemfile.lock
index 4d2a2cb..575876b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,7 +55,7 @@ GEM
     factory_girl_rails (4.1.0)
       factory_girl (~> 4.1.0)
       railties (>= 3.0.0)
-    hike (1.2.1)
+    hike (1.2.3)
     i18n (0.6.0)
     journey (1.0.4)
     jquery-rails (2.0.2)
@@ -73,7 +73,7 @@ GEM
     orm_adapter (0.4.0)
     pg (0.14.0)
     polyglot (0.3.3)
-    rack (1.4.1)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.2)
@@ -113,14 +113,14 @@ 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)
     sqlite3 (1.3.6)
     state_machine (1.1.2)
     thor (0.15.4)
-    tilt (1.3.3)
+    tilt (1.4.1)
     treetop (1.4.10)
       polyglot
       polyglot (>= 0.3.1)