diff --git a/Gemfile.lock b/Gemfile.lock
index c01079b..76e2bb5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -91,7 +91,7 @@ GEM
       rails (~> 3.0)
     gherkin (2.9.0)
       json (>= 1.4.6)
-    hike (1.2.1)
+    hike (1.2.3)
     htmldiff (0.0.1)
     i18n (0.6.0)
     journey (1.0.4)
@@ -116,7 +116,7 @@ GEM
     open4 (1.3.0)
     pg (0.13.2)
     polyglot (0.3.3)
-    rack (1.4.1)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.2)
@@ -167,7 +167,7 @@ GEM
       rubyzip
     shoulda-matchers (1.0.0)
     spork (0.9.0)
-    sprockets (2.1.3)
+    sprockets (2.1.4)
       hike (~> 1.2)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
@@ -177,7 +177,7 @@ GEM
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
     thor (0.15.3)
-    tilt (1.3.3)
+    tilt (1.4.1)
     timecop (0.3.5)
     treetop (1.4.10)
       polyglot