diff --git a/Gemfile b/Gemfile
index 0f50e77..e8315a8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ gem 'pg', '~> 0.18.1'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0.1'
 # Use bootstrap
-gem 'bootstrap-sass', '~> 3.3.3'
+gem 'bootstrap-sass', '~> 3.4.1'
 gem "node"
 gem "twitter-bootstrap-rails"
 gem 'jquery-ui-bootstrap-rails-asset'
diff --git a/Gemfile.lock b/Gemfile.lock
index c9ba8a8..69bd514 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -37,14 +37,13 @@ GEM
       tzinfo (~> 1.1)
     addressable (2.4.0)
     arel (5.0.1.20140414130214)
-    autoprefixer-rails (5.1.7)
+    autoprefixer-rails (9.7.4)
       execjs
-      json
     bcrypt (3.1.10)
     bootbox-rails (0.5.0)
-    bootstrap-sass (3.3.3)
-      autoprefixer-rails (>= 5.0.0.1)
-      sass (>= 3.2.19)
+    bootstrap-sass (3.4.1)
+      autoprefixer-rails (>= 5.2.1)
+      sassc (>= 2.0.0)
     bootstrap-sass-rails (3.0.3.0)
       railties (>= 3.1.0)
       sass-rails (>= 3.1.0)
@@ -68,10 +67,10 @@ GEM
     domain_name (0.5.20160309)
       unf (>= 0.0.5, < 1.0.0)
     erubis (2.7.0)
-    eventmachine (1.0.7)
-    execjs (2.4.0)
+    execjs (2.7.0)
     fastimage (2.0.0)
       addressable (~> 2)
+    ffi (1.12.2)
     hike (1.2.3)
     http-cookie (1.0.2)
       domain_name (~> 0.5)
@@ -87,15 +86,14 @@ GEM
     jquery-ui-bootstrap-rails-asset (0.0.3)
       bootstrap-sass-rails
       railties (>= 3.1.0)
-    json (1.8.2)
+    json (1.8.6)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     mime-types (2.4.3)
     minitest (5.5.1)
     multi_json (1.11.0)
     netrc (0.11.0)
-    node (0.0.2)
-      eventmachine
+    node (1.0.0)
     orm_adapter (0.5.0)
     pg (0.18.1)
     puma (2.11.1)
@@ -127,6 +125,9 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rake (10.4.2)
+    rb-fsevent (0.10.3)
+    rb-inotify (0.9.10)
+      ffi (>= 0.5.0, < 2)
     rdoc (4.2.0)
       json (~> 1.4)
     responders (1.1.2)
@@ -135,13 +136,19 @@ GEM
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 3.0)
       netrc (~> 0.7)
-    sass (3.4.13)
+    sass (3.7.4)
+      sass-listen (~> 4.0.0)
+    sass-listen (4.0.0)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
     sass-rails (5.0.1)
       railties (>= 4.0.0, < 5.0)
       sass (~> 3.1)
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (~> 1.1)
+    sassc (2.2.1)
+      ffi (~> 1.9)
     sdoc (0.4.1)
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
@@ -185,7 +192,7 @@ PLATFORMS
 
 DEPENDENCIES
   bootbox-rails
-  bootstrap-sass (~> 3.3.3)
+  bootstrap-sass (~> 3.4.1)
   bosh4r!
   byebug
   cancancan