diff --git a/Gemfile b/Gemfile
index ef3333dc..20ef0c7c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -71,7 +71,7 @@ gem 'bigbluebutton-api-ruby'
 
 gem 'bootstrap-sass', '3.3.0.0'
 gem 'bootstrap-social-rails', '~> 4.12'
-gem 'font-awesome-sass'
+gem 'font-awesome-sass', '4.7.0'
 gem 'jquery-ui-rails'
 gem 'jquery-datatables-rails', '~> 3.4.0'
 gem 'rails-timeago', '~> 2.0'
@@ -96,4 +96,3 @@ gem 'omniauth-saml'
 
 # For device detection to determine BigBlueButton client.
 gem 'browser'
-
diff --git a/Gemfile.lock b/Gemfile.lock
index 8cca8325..b4a59887 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,41 +1,41 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.0.6)
-      actionpack (= 5.0.6)
+    actioncable (5.0.7)
+      actionpack (= 5.0.7)
       nio4r (>= 1.2, < 3.0)
       websocket-driver (~> 0.6.1)
-    actionmailer (5.0.6)
-      actionpack (= 5.0.6)
-      actionview (= 5.0.6)
-      activejob (= 5.0.6)
+    actionmailer (5.0.7)
+      actionpack (= 5.0.7)
+      actionview (= 5.0.7)
+      activejob (= 5.0.7)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.0.6)
-      actionview (= 5.0.6)
-      activesupport (= 5.0.6)
+    actionpack (5.0.7)
+      actionview (= 5.0.7)
+      activesupport (= 5.0.7)
       rack (~> 2.0)
       rack-test (~> 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.0.6)
-      activesupport (= 5.0.6)
+    actionview (5.0.7)
+      activesupport (= 5.0.7)
       builder (~> 3.1)
       erubis (~> 2.7.0)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.0.6)
-      activesupport (= 5.0.6)
+    activejob (5.0.7)
+      activesupport (= 5.0.7)
       globalid (>= 0.3.6)
-    activemodel (5.0.6)
-      activesupport (= 5.0.6)
-    activerecord (5.0.6)
-      activemodel (= 5.0.6)
-      activesupport (= 5.0.6)
+    activemodel (5.0.7)
+      activesupport (= 5.0.7)
+    activerecord (5.0.7)
+      activemodel (= 5.0.7)
+      activesupport (= 5.0.7)
       arel (~> 7.0)
-    activesupport (5.0.6)
+    activesupport (5.0.7)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     arel (7.1.4)
@@ -61,7 +61,7 @@ GEM
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
     concurrent-ruby (1.0.5-java)
-    crass (1.0.3)
+    crass (1.0.4)
     docile (1.1.5)
     dotenv (2.2.1)
     dotenv-rails (2.2.1)
@@ -81,7 +81,7 @@ GEM
       activesupport (>= 4.2.0)
     hashie (3.5.7)
     http_accept_language (2.1.1)
-    i18n (0.9.5)
+    i18n (1.0.1)
       concurrent-ruby (~> 1.0)
     jbuilder (2.7.0)
       activesupport (>= 4.2.0)
@@ -100,7 +100,7 @@ GEM
     json (1.8.6)
     json (1.8.6-java)
     jwt (1.5.6)
-    libv8 (3.16.14.19-x86_64-linux)
+    libv8 (3.16.14.19)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -109,7 +109,7 @@ GEM
       activesupport (>= 4)
       railties (>= 4)
       request_store (~> 1.0)
-    loofah (2.2.1)
+    loofah (2.2.2)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -129,8 +129,8 @@ GEM
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     net-ldap (0.16.1)
-    nio4r (2.2.0)
-    nio4r (2.2.0-java)
+    nio4r (2.3.1)
+    nio4r (2.3.1-java)
     nokogiri (1.8.2)
       mini_portile2 (~> 2.3.0)
     nokogiri (1.8.2-java)
@@ -182,36 +182,36 @@ GEM
     puma (3.11.2)
     puma (3.11.2-java)
     pyu-ruby-sasl (0.0.3.3)
-    rack (2.0.3)
+    rack (2.0.5)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (5.0.6)
-      actioncable (= 5.0.6)
-      actionmailer (= 5.0.6)
-      actionpack (= 5.0.6)
-      actionview (= 5.0.6)
-      activejob (= 5.0.6)
-      activemodel (= 5.0.6)
-      activerecord (= 5.0.6)
-      activesupport (= 5.0.6)
+    rails (5.0.7)
+      actioncable (= 5.0.7)
+      actionmailer (= 5.0.7)
+      actionpack (= 5.0.7)
+      actionview (= 5.0.7)
+      activejob (= 5.0.7)
+      activemodel (= 5.0.7)
+      activerecord (= 5.0.7)
+      activesupport (= 5.0.7)
       bundler (>= 1.3.0)
-      railties (= 5.0.6)
+      railties (= 5.0.7)
       sprockets-rails (>= 2.0.0)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.0.4)
+      loofah (~> 2.2, >= 2.2.2)
     rails-timeago (2.16.0)
       actionpack (>= 3.1)
       activesupport (>= 3.1)
-    railties (5.0.6)
-      actionpack (= 5.0.6)
-      activesupport (= 5.0.6)
+    railties (5.0.7)
+      actionpack (= 5.0.7)
+      activesupport (= 5.0.7)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.3.0)
+    rake (12.3.1)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -300,7 +300,7 @@ DEPENDENCIES
   coffee-rails (~> 4.2)
   dotenv-rails
   faraday
-  font-awesome-sass
+  font-awesome-sass (= 4.7.0)
   http_accept_language
   jbuilder (~> 2.5)
   jquery-datatables-rails (~> 3.4.0)