diff --git a/.travis.yml b/.travis.yml
index f8c170b0..c4df4aeb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,14 +2,14 @@ language: ruby
 
 rvm:
   - 2.1.10
-  - 2.2.6
-  - 2.3.3
-  - 2.4.0
+  - 2.2.7
+  - 2.3.4
+  - 2.4.1
   - ruby-head
 
 gemfile:
   - Gemfile
-  - gemfiles/Gemfile.rails-5.1-stable
+  - gemfiles/Gemfile.rails-5.0-stable
   - gemfiles/Gemfile.rails-4.2-stable
   - gemfiles/Gemfile.rails-4.1-stable
 
@@ -22,11 +22,13 @@ matrix:
     - rvm: ruby-head
       gemfile: gemfiles/Gemfile.rails-4.1-stable
     - rvm: 2.1.10
-      gemfile: gemfiles/Gemfile.rails-5.1-stable
+      gemfile: gemfiles/Gemfile.rails-5.0-stable
+    - rvm: 2.1.10
+      gemfile: Gemfile
     - env: DEVISE_ORM=mongoid
       gemfile: Gemfile
     - env: DEVISE_ORM=mongoid
-      gemfile: gemfiles/Gemfile.rails-5.1-stable
+      gemfile: gemfiles/Gemfile.rails-5.0-stable
   allow_failures:
     - rvm: ruby-head
 services:
diff --git a/gemfiles/Gemfile.rails-5.1-stable b/gemfiles/Gemfile.rails-5.0-stable
similarity index 95%
rename from gemfiles/Gemfile.rails-5.1-stable
rename to gemfiles/Gemfile.rails-5.0-stable
index 3ea1b69a..af0e3b47 100644
--- a/gemfiles/Gemfile.rails-5.1-stable
+++ b/gemfiles/Gemfile.rails-5.0-stable
@@ -2,7 +2,7 @@ source "https://rubygems.org"
 
 gemspec path: ".."
 
-gem "rails", '~> 5.1.0'
+gem "rails", '~> 5.0.0'
 gem "omniauth"
 gem "omniauth-oauth2"
 gem "rdoc"
diff --git a/gemfiles/Gemfile.rails-5.1-stable.lock b/gemfiles/Gemfile.rails-5.0-stable.lock
similarity index 75%
rename from gemfiles/Gemfile.rails-5.1-stable.lock
rename to gemfiles/Gemfile.rails-5.0-stable.lock
index f23248ed..59784500 100644
--- a/gemfiles/Gemfile.rails-5.1-stable.lock
+++ b/gemfiles/Gemfile.rails-5.0-stable.lock
@@ -20,48 +20,48 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.1.0)
-      actionpack (= 5.1.0)
-      nio4r (~> 2.0)
+    actioncable (5.0.2)
+      actionpack (= 5.0.2)
+      nio4r (>= 1.2, < 3.0)
       websocket-driver (~> 0.6.1)
-    actionmailer (5.1.0)
-      actionpack (= 5.1.0)
-      actionview (= 5.1.0)
-      activejob (= 5.1.0)
+    actionmailer (5.0.2)
+      actionpack (= 5.0.2)
+      actionview (= 5.0.2)
+      activejob (= 5.0.2)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.1.0)
-      actionview (= 5.1.0)
-      activesupport (= 5.1.0)
+    actionpack (5.0.2)
+      actionview (= 5.0.2)
+      activesupport (= 5.0.2)
       rack (~> 2.0)
       rack-test (~> 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.1.0)
-      activesupport (= 5.1.0)
+    actionview (5.0.2)
+      activesupport (= 5.0.2)
       builder (~> 3.1)
-      erubi (~> 1.4)
+      erubis (~> 2.7.0)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.1.0)
-      activesupport (= 5.1.0)
+    activejob (5.0.2)
+      activesupport (= 5.0.2)
       globalid (>= 0.3.6)
-    activemodel (5.1.0)
-      activesupport (= 5.1.0)
-    activerecord (5.1.0)
-      activemodel (= 5.1.0)
-      activesupport (= 5.1.0)
-      arel (~> 8.0)
-    activesupport (5.1.0)
+    activemodel (5.0.2)
+      activesupport (= 5.0.2)
+    activerecord (5.0.2)
+      activemodel (= 5.0.2)
+      activesupport (= 5.0.2)
+      arel (~> 7.0)
+    activesupport (5.0.2)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    arel (8.0.0)
+    arel (7.1.4)
     bcrypt (3.1.11)
     builder (3.2.3)
     concurrent-ruby (1.0.5)
-    erubi (1.6.0)
+    erubis (2.7.0)
     faraday (0.11.0)
       multipart-post (>= 1.2, < 3)
     globalid (0.4.0)
@@ -79,14 +79,14 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_portile2 (2.1.0)
-    minitest (5.10.1)
+    minitest (5.10.2)
     mocha (1.2.1)
       metaclass (~> 0.0.1)
     multi_json (1.12.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     nio4r (2.0.0)
-    nokogiri (1.7.1)
+    nokogiri (1.7.2)
       mini_portile2 (~> 2.1.0)
     oauth2 (1.3.1)
       faraday (>= 0.8, < 0.12)
@@ -106,36 +106,36 @@ GEM
       omniauth (~> 1.0)
       rack-openid (~> 1.3.1)
     orm_adapter (0.5.0)
-    rack (2.0.1)
+    rack (2.0.2)
     rack-openid (1.3.1)
       rack (>= 1.1.0)
       ruby-openid (>= 2.1.8)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (5.1.0)
-      actioncable (= 5.1.0)
-      actionmailer (= 5.1.0)
-      actionpack (= 5.1.0)
-      actionview (= 5.1.0)
-      activejob (= 5.1.0)
-      activemodel (= 5.1.0)
-      activerecord (= 5.1.0)
-      activesupport (= 5.1.0)
+    rails (5.0.2)
+      actioncable (= 5.0.2)
+      actionmailer (= 5.0.2)
+      actionpack (= 5.0.2)
+      actionview (= 5.0.2)
+      activejob (= 5.0.2)
+      activemodel (= 5.0.2)
+      activerecord (= 5.0.2)
+      activesupport (= 5.0.2)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 5.1.0)
+      railties (= 5.0.2)
       sprockets-rails (>= 2.0.0)
     rails-controller-testing (1.0.1)
       actionpack (~> 5.x)
       actionview (~> 5.x)
       activesupport (~> 5.x)
-    rails-dom-testing (2.0.2)
-      activesupport (>= 4.2.0, < 6.0)
-      nokogiri (~> 1.6)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
     rails-html-sanitizer (1.0.3)
       loofah (~> 2.0)
-    railties (5.1.0)
-      actionpack (= 5.1.0)
-      activesupport (= 5.1.0)
+    railties (5.0.2)
+      actionpack (= 5.0.2)
+      activesupport (= 5.0.2)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
@@ -180,7 +180,7 @@ DEPENDENCIES
   omniauth-facebook
   omniauth-oauth2
   omniauth-openid
-  rails (~> 5.1.0)
+  rails (~> 5.0.0)
   rails-controller-testing
   rdoc
   responders (~> 2.1)