diff --git a/Gemfile b/Gemfile
index dd6b39f..d30e470 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '5.2.1'
 gem 'pg'
 # Use SCSS for stylesheets
 gem 'sass-rails'
-gem 'bootstrap-sass', '~> 3.3.4'
+gem 'bootstrap-sass', '~> 3.4.1'
 
 # Use Rails Bootstrap Forms. Read more: https://github.com/bootstrap-ruby/rails-bootstrap-forms
 gem 'bootstrap_form'
diff --git a/Gemfile.lock b/Gemfile.lock
index d8f8800..902274a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,7 +47,7 @@ GEM
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
     arel (9.0.0)
-    autoprefixer-rails (9.4.5)
+    autoprefixer-rails (9.6.5)
       execjs
     better_errors (2.5.0)
       coderay (>= 1.0.0)
@@ -55,9 +55,9 @@ GEM
       rack (>= 0.9.0)
     binding_of_caller (0.8.0)
       debug_inspector (>= 0.0.1)
-    bootstrap-sass (3.3.7)
+    bootstrap-sass (3.4.1)
       autoprefixer-rails (>= 5.2.1)
-      sass (>= 3.3.4)
+      sassc (>= 2.0.0)
     bootstrap_form (4.0.0)
       rails (>= 5.0)
     builder (3.2.3)
@@ -84,7 +84,7 @@ GEM
     diff-lcs (1.3)
     erubi (1.8.0)
     execjs (2.7.0)
-    ffi (1.10.0)
+    ffi (1.11.1)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
     i18n (1.5.1)
@@ -181,7 +181,7 @@ GEM
       rspec-mocks (~> 3.8.0)
       rspec-support (~> 3.8.0)
     rspec-support (3.8.0)
-    sass (3.7.3)
+    sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -192,6 +192,8 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
+    sassc (2.2.1)
+      ffi (~> 1.9)
     sdoc (0.4.2)
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
@@ -227,7 +229,7 @@ DEPENDENCIES
   acts-as-taggable-on
   better_errors
   binding_of_caller
-  bootstrap-sass (~> 3.3.4)
+  bootstrap-sass (~> 3.4.1)
   bootstrap_form
   capybara
   coffee-rails