diff --git a/Gemfile b/Gemfile
index 018e37d12..931608a4a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ ruby '2.3.0'
 
 gem 'rb-readline'
 gem 'oj'
-gem 'rails', '4.2.5.2'
+gem 'rails', '4.2.6'
 gem 'pg'
 gem 'sassc-rails'
 gem 'uglifier'
diff --git a/Gemfile.lock b/Gemfile.lock
index 89c1a9553..7f6924e23 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,36 +2,36 @@ GEM
   remote: https://rubygems.org/
   specs:
     aasm (4.9.0)
-    actionmailer (4.2.5.2)
-      actionpack (= 4.2.5.2)
-      actionview (= 4.2.5.2)
-      activejob (= 4.2.5.2)
+    actionmailer (4.2.6)
+      actionpack (= 4.2.6)
+      actionview (= 4.2.6)
+      activejob (= 4.2.6)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 1.0, >= 1.0.5)
-    actionpack (4.2.5.2)
-      actionview (= 4.2.5.2)
-      activesupport (= 4.2.5.2)
+    actionpack (4.2.6)
+      actionview (= 4.2.6)
+      activesupport (= 4.2.6)
       rack (~> 1.6)
       rack-test (~> 0.6.2)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (4.2.5.2)
-      activesupport (= 4.2.5.2)
+    actionview (4.2.6)
+      activesupport (= 4.2.6)
       builder (~> 3.1)
       erubis (~> 2.7.0)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    activejob (4.2.5.2)
-      activesupport (= 4.2.5.2)
+    activejob (4.2.6)
+      activesupport (= 4.2.6)
       globalid (>= 0.3.0)
-    activemodel (4.2.5.2)
-      activesupport (= 4.2.5.2)
+    activemodel (4.2.6)
+      activesupport (= 4.2.6)
       builder (~> 3.1)
-    activerecord (4.2.5.2)
-      activemodel (= 4.2.5.2)
-      activesupport (= 4.2.5.2)
+    activerecord (4.2.6)
+      activemodel (= 4.2.6)
+      activesupport (= 4.2.6)
       arel (~> 6.0)
-    activesupport (4.2.5.2)
+    activesupport (4.2.6)
       i18n (~> 0.7)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
@@ -180,7 +180,6 @@ GEM
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
     mime-types (2.99.1)
-    mime-types-data (3.2016.0221)
     mini_portile2 (2.0.0)
     minitest (5.8.4)
     moneta (0.8.0)
@@ -243,16 +242,16 @@ GEM
     rack-throttle (0.4.0)
       rack (>= 1.0.0)
     rack-timeout (0.3.2)
-    rails (4.2.5.2)
-      actionmailer (= 4.2.5.2)
-      actionpack (= 4.2.5.2)
-      actionview (= 4.2.5.2)
-      activejob (= 4.2.5.2)
-      activemodel (= 4.2.5.2)
-      activerecord (= 4.2.5.2)
-      activesupport (= 4.2.5.2)
+    rails (4.2.6)
+      actionmailer (= 4.2.6)
+      actionpack (= 4.2.6)
+      actionview (= 4.2.6)
+      activejob (= 4.2.6)
+      activemodel (= 4.2.6)
+      activerecord (= 4.2.6)
+      activesupport (= 4.2.6)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.5.2)
+      railties (= 4.2.6)
       sprockets-rails
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
@@ -268,9 +267,9 @@ GEM
     rails_safe_tasks (1.0.0)
     rails_serve_static_assets (0.0.5)
     rails_stdout_logging (0.0.5)
-    railties (4.2.5.2)
-      actionpack (= 4.2.5.2)
-      activesupport (= 4.2.5.2)
+    railties (4.2.6)
+      actionpack (= 4.2.6)
+      activesupport (= 4.2.6)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rake (11.1.1)
@@ -445,7 +444,7 @@ DEPENDENCIES
   rack-canonical-host
   rack-throttle
   rack-timeout
-  rails (= 4.2.5.2)
+  rails (= 4.2.6)
   rails_12factor
   rails_safe_tasks
   rb-readline