diff --git a/Gemfile b/Gemfile
index 44bb174cc..ed05d506e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source "https://rubygems.org"
 source "https://rails-assets.org"
 
-gem "rails", "4.2.0"
+gem "rails", "4.2.1"
 
 # Legacy Rails features, remove me!
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 209f38680..729762b26 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,16 +3,16 @@ GEM
   remote: https://rails-assets.org/
   specs:
     CFPropertyList (2.3.0)
-    actionmailer (4.2.0)
-      actionpack (= 4.2.0)
-      actionview (= 4.2.0)
-      activejob (= 4.2.0)
+    actionmailer (4.2.1)
+      actionpack (= 4.2.1)
+      actionview (= 4.2.1)
+      activejob (= 4.2.1)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 1.0, >= 1.0.5)
-    actionpack (4.2.0)
-      actionview (= 4.2.0)
-      activesupport (= 4.2.0)
-      rack (~> 1.6.0)
+    actionpack (4.2.1)
+      actionview (= 4.2.1)
+      activesupport (= 4.2.1)
+      rack (~> 1.6)
       rack-test (~> 0.6.2)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.1)
@@ -20,23 +20,23 @@ GEM
       actionpack (>= 4.0.0, < 5.0)
     actionpack-page_caching (1.0.2)
       actionpack (>= 4.0.0, < 5)
-    actionview (4.2.0)
-      activesupport (= 4.2.0)
+    actionview (4.2.1)
+      activesupport (= 4.2.1)
       builder (~> 3.1)
       erubis (~> 2.7.0)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.1)
     active_model_serializers (0.9.3)
       activemodel (>= 3.2)
-    activejob (4.2.0)
-      activesupport (= 4.2.0)
+    activejob (4.2.1)
+      activesupport (= 4.2.1)
       globalid (>= 0.3.0)
-    activemodel (4.2.0)
-      activesupport (= 4.2.0)
+    activemodel (4.2.1)
+      activesupport (= 4.2.1)
       builder (~> 3.1)
-    activerecord (4.2.0)
-      activemodel (= 4.2.0)
-      activesupport (= 4.2.0)
+    activerecord (4.2.1)
+      activemodel (= 4.2.1)
+      activesupport (= 4.2.1)
       arel (~> 6.0)
     activerecord-import (0.7.0)
       activerecord (>= 3.0)
@@ -44,7 +44,7 @@ GEM
       activemodel (~> 4.0)
       activesupport (~> 4.0)
       rails-observers (~> 0.1.1)
-    activesupport (4.2.0)
+    activesupport (4.2.1)
       i18n (~> 0.7)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
@@ -399,7 +399,7 @@ GEM
     mobile-fu (1.3.1)
       rack-mobile-detect
       rails
-    multi_json (1.10.1)
+    multi_json (1.11.0)
     multi_test (0.1.2)
     multi_xml (0.5.5)
     multipart-post (2.0.0)
@@ -476,16 +476,16 @@ GEM
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.2.0)
-      actionmailer (= 4.2.0)
-      actionpack (= 4.2.0)
-      actionview (= 4.2.0)
-      activejob (= 4.2.0)
-      activemodel (= 4.2.0)
-      activerecord (= 4.2.0)
-      activesupport (= 4.2.0)
+    rails (4.2.1)
+      actionmailer (= 4.2.1)
+      actionpack (= 4.2.1)
+      actionview (= 4.2.1)
+      activejob (= 4.2.1)
+      activemodel (= 4.2.1)
+      activerecord (= 4.2.1)
+      activesupport (= 4.2.1)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.0)
+      railties (= 4.2.1)
       sprockets-rails
     rails-assets-diaspora_jsxc (0.1.1)
       rails-assets-jquery (~> 1.11.1)
@@ -523,11 +523,11 @@ GEM
     rails-assets-punycode (1.3.2)
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.5)
+    rails-dom-testing (1.0.6)
       activesupport (>= 4.2.0.beta, < 5.0)
       nokogiri (~> 1.6.0)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.1)
+    rails-html-sanitizer (1.0.2)
       loofah (~> 2.0)
     rails-i18n (4.0.4)
       i18n (~> 0.6)
@@ -551,9 +551,9 @@ GEM
       remotipart (~> 1.0)
       safe_yaml (~> 1.0)
       sass-rails (>= 4.0, < 6)
-    railties (4.2.0)
-      actionpack (= 4.2.0)
-      activesupport (= 4.2.0)
+    railties (4.2.1)
+      actionpack (= 4.2.1)
+      activesupport (= 4.2.1)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rainbow (2.0.0)
@@ -660,7 +660,7 @@ GEM
       libv8 (~> 3.16.14.0)
       ref
     thor (0.19.1)
-    thread_safe (0.3.4)
+    thread_safe (0.3.5)
     tilt (1.4.1)
     timecop (0.7.3)
     timers (4.0.1)
@@ -771,7 +771,7 @@ DEPENDENCIES
   rack-protection (= 1.5.3)
   rack-rewrite (= 1.5.1)
   rack-ssl (= 1.4.1)
-  rails (= 4.2.0)
+  rails (= 4.2.1)
   rails-assets-diaspora_jsxc (~> 0.1.1)
   rails-assets-jasmine-ajax (= 3.0.0)
   rails-assets-jeresig--jquery.hotkeys (= 0.2.0)