diff --git a/Gemfile.lock b/Gemfile.lock
index 27192e1..b743c9b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,7 +49,7 @@ GIT
 PATH
   remote: .
   specs:
-    acts_as_commentable (4.0.1)
+    acts_as_commentable (4.0.2)
 
 GEM
   remote: http://rubygems.org/
@@ -67,18 +67,18 @@ GEM
     method_source (0.7.1)
     mime-types (1.25)
     minitest (4.7.5)
-    multi_json (1.8.0)
+    multi_json (1.13.1)
     polyglot (0.3.3)
     pry (0.9.9.6)
       coderay (~> 1.0.5)
       method_source (~> 0.7.1)
       slop (>= 2.4.4, < 3)
-    rack (1.5.2)
+    rack (1.5.5)
     rack-test (0.6.2)
       rack (>= 1.0)
     rake (10.1.0)
     slop (2.4.4)
-    sprockets (2.10.0)
+    sprockets (2.12.5)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)