diff --git a/Gemfile b/Gemfile
index b54512c7a..d877dac1f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -33,7 +33,7 @@ gem 'omniauth-facebook'
 gem 'omniauth-linkedin'
 gem 'omniauth-google-oauth2'
 
-gem 'twitter', '~> 5.13.0'
+gem 'twitter'
 gem 'koala'
 gem 'mail', '~> 2.5.0'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index e07a56aff..7096bb583 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,12 +41,12 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.3.8)
+    addressable (2.4.0)
     arel (6.0.3)
     ast (2.1.0)
     astrolabe (1.3.1)
       parser (~> 2.2)
-    autoprefixer-rails (6.1.1)
+    autoprefixer-rails (6.1.2)
       execjs
       json
     biz (1.3.3)
@@ -70,10 +70,11 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.10.0)
-    coffeelint (1.11.0)
+    coffeelint (1.14.0)
       coffee-script
       execjs
       json
+    concurrent-ruby (1.0.0)
     daemons (1.2.3)
     delayed_job (4.1.1)
       activesupport (>= 3.0, < 5.0)
@@ -82,6 +83,8 @@ GEM
       delayed_job (>= 3.0, < 5)
     diffy (3.0.7)
     docile (1.1.5)
+    domain_name (0.5.25)
+      unf (>= 0.0.5, < 1.0.0)
     eco (1.0.0)
       coffee-script
       eco-source
@@ -90,7 +93,7 @@ GEM
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
-    equalizer (0.0.11)
+    equalizer (0.0.10)
     erubis (2.7.0)
     eventmachine (1.0.8)
     execjs (2.6.0)
@@ -116,8 +119,14 @@ GEM
       guard-compat (~> 1.0)
       multi_json (~> 1.8)
     hashie (3.4.3)
-    http (0.6.4)
+    http (0.9.8)
+      addressable (~> 2.3)
+      http-cookie (~> 1.0)
+      http-form_data (~> 1.0.1)
       http_parser.rb (~> 0.6.0)
+    http-cookie (1.0.2)
+      domain_name (~> 0.5)
+    http-form_data (1.0.1)
     http_parser.rb (0.6.0)
     i18n (0.7.0)
     icalendar (2.3.0)
@@ -243,7 +252,7 @@ GEM
       tins (<= 1.6.0)
     ruby-progressbar (1.7.5)
     rubyzip (1.1.7)
-    sass (3.4.19)
+    sass (3.4.20)
     sass-rails (5.0.4)
       railties (>= 4.0.0, < 5.0)
       sass (~> 3.1)
@@ -258,7 +267,7 @@ GEM
     shellany (0.0.1)
     simple-rss (1.3.1)
     simple_oauth (0.3.1)
-    simplecov (0.11.0)
+    simplecov (0.11.1)
       docile (~> 1.1.0)
       json (~> 1.8)
       simplecov-html (~> 0.10.0)
@@ -266,8 +275,9 @@ GEM
     simplecov-rcov (0.2.3)
       simplecov (>= 0.4.1)
     slop (3.6.0)
-    spring (1.4.4)
-    sprockets (3.4.1)
+    spring (1.5.0)
+    sprockets (3.5.2)
+      concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (2.3.3)
       actionpack (>= 3.0)
@@ -286,12 +296,12 @@ GEM
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
-    twitter (5.13.0)
+    twitter (5.15.0)
       addressable (~> 2.3)
       buftok (~> 0.2.0)
-      equalizer (~> 0.0.9)
+      equalizer (= 0.0.10)
       faraday (~> 0.9.0)
-      http (~> 0.6.0)
+      http (>= 0.4, < 0.10)
       http_parser.rb (~> 0.6.0)
       json (~> 1.8)
       memoizable (~> 0.4.0)
@@ -302,6 +312,9 @@ GEM
     uglifier (2.7.2)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.7.1)
     websocket (1.2.2)
     writeexcel (1.0.5)
 
@@ -355,9 +368,9 @@ DEPENDENCIES
   sqlite3
   test-unit
   therubyracer
-  twitter (~> 5.13.0)
+  twitter
   uglifier
   writeexcel
 
 BUNDLED WITH
-   1.10.5
+   1.10.6