diff --git a/Gemfile.lock b/Gemfile.lock
index 8209d69..af85450 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,25 +9,22 @@ PATH
 GEM
   remote: http://rubygems.org/
   specs:
-    activemodel (4.0.2)
-      activesupport (= 4.0.2)
-      builder (~> 3.1.0)
-    activerecord (4.0.2)
-      activemodel (= 4.0.2)
-      activerecord-deprecated_finders (~> 1.0.2)
-      activesupport (= 4.0.2)
-      arel (~> 4.0.0)
-    activerecord-deprecated_finders (1.0.3)
-    activesupport (4.0.2)
-      i18n (~> 0.6, >= 0.6.4)
-      minitest (~> 4.2)
-      multi_json (~> 1.3)
-      thread_safe (~> 0.1)
-      tzinfo (~> 0.3.37)
-    arel (4.0.1)
-    atomic (1.1.14)
-    builder (3.1.4)
+    activemodel (4.2.11.3)
+      activesupport (= 4.2.11.3)
+      builder (~> 3.1)
+    activerecord (4.2.11.3)
+      activemodel (= 4.2.11.3)
+      activesupport (= 4.2.11.3)
+      arel (~> 6.0)
+    activesupport (4.2.11.3)
+      i18n (~> 0.7)
+      minitest (~> 5.1)
+      thread_safe (~> 0.3, >= 0.3.4)
+      tzinfo (~> 1.1)
+    arel (6.0.4)
+    builder (3.2.4)
     colorize (0.5.8)
+    concurrent-ruby (1.1.9)
     coveralls (0.6.3)
       colorize
       multi_json (~> 1.3)
@@ -35,10 +32,11 @@ GEM
       simplecov (>= 0.7)
       thor
     diff-lcs (1.2.5)
-    i18n (0.6.9)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     mime-types (1.21)
-    minitest (4.7.5)
-    multi_json (1.7.3)
+    minitest (5.12.0)
+    multi_json (1.15.0)
     rake (10.0.4)
     rest-client (1.6.7)
       mime-types (>= 1.16)
@@ -55,9 +53,9 @@ GEM
       simplecov-html (~> 0.7.1)
     simplecov-html (0.7.1)
     thor (0.18.0)
-    thread_safe (0.1.3)
-      atomic
-    tzinfo (0.3.38)
+    thread_safe (0.3.6)
+    tzinfo (1.2.9)
+      thread_safe (~> 0.1)
 
 PLATFORMS
   ruby