diff --git a/Gemfile.lock b/Gemfile.lock
index 95b1c74..b985372 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,72 +2,85 @@ PATH
   remote: .
   specs:
     hootstrap (0.12.1)
-      bootstrap (~> 4.1.3)
+      bootstrap (>= 4.1.3, < 4.4.0)
       rails (>= 4.2.0)
       sass-rails
 
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.2.3)
-      actionpack (= 5.2.3)
+    actioncable (6.0.0)
+      actionpack (= 6.0.0)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailer (5.2.3)
-      actionpack (= 5.2.3)
-      actionview (= 5.2.3)
-      activejob (= 5.2.3)
+    actionmailbox (6.0.0)
+      actionpack (= 6.0.0)
+      activejob (= 6.0.0)
+      activerecord (= 6.0.0)
+      activestorage (= 6.0.0)
+      activesupport (= 6.0.0)
+      mail (>= 2.7.1)
+    actionmailer (6.0.0)
+      actionpack (= 6.0.0)
+      actionview (= 6.0.0)
+      activejob (= 6.0.0)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.2.3)
-      actionview (= 5.2.3)
-      activesupport (= 5.2.3)
+    actionpack (6.0.0)
+      actionview (= 6.0.0)
+      activesupport (= 6.0.0)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.2.3)
-      activesupport (= 5.2.3)
+      rails-html-sanitizer (~> 1.0, >= 1.2.0)
+    actiontext (6.0.0)
+      actionpack (= 6.0.0)
+      activerecord (= 6.0.0)
+      activestorage (= 6.0.0)
+      activesupport (= 6.0.0)
+      nokogiri (>= 1.8.5)
+    actionview (6.0.0)
+      activesupport (= 6.0.0)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.2.3)
-      activesupport (= 5.2.3)
+      rails-html-sanitizer (~> 1.1, >= 1.2.0)
+    activejob (6.0.0)
+      activesupport (= 6.0.0)
       globalid (>= 0.3.6)
-    activemodel (5.2.3)
-      activesupport (= 5.2.3)
-    activerecord (5.2.3)
-      activemodel (= 5.2.3)
-      activesupport (= 5.2.3)
-      arel (>= 9.0)
-    activestorage (5.2.3)
-      actionpack (= 5.2.3)
-      activerecord (= 5.2.3)
+    activemodel (6.0.0)
+      activesupport (= 6.0.0)
+    activerecord (6.0.0)
+      activemodel (= 6.0.0)
+      activesupport (= 6.0.0)
+    activestorage (6.0.0)
+      actionpack (= 6.0.0)
+      activejob (= 6.0.0)
+      activerecord (= 6.0.0)
       marcel (~> 0.3.1)
-    activesupport (5.2.3)
+    activesupport (6.0.0)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    arel (9.0.0)
-    autoprefixer-rails (9.5.0)
+      zeitwerk (~> 2.1, >= 2.1.8)
+    autoprefixer-rails (9.6.5)
       execjs
-    bootstrap (4.1.3)
-      autoprefixer-rails (>= 6.0.3)
-      popper_js (>= 1.12.9, < 2)
-      sass (>= 3.5.2)
+    bootstrap (4.3.1)
+      autoprefixer-rails (>= 9.1.0)
+      popper_js (>= 1.14.3, < 2)
+      sassc-rails (>= 2.0.0)
     builder (3.2.3)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
-    erubi (1.8.0)
+    crass (1.0.5)
+    erubi (1.9.0)
     execjs (2.7.0)
-    ffi (1.10.0)
+    ffi (1.11.1)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
-    i18n (1.6.0)
+    i18n (1.7.0)
       concurrent-ruby (~> 1.0)
-    loofah (2.2.3)
+    loofah (2.3.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -76,56 +89,54 @@ GEM
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
     mimemagic (0.3.3)
-    mini_mime (1.0.1)
+    mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
-    nio4r (2.3.1)
-    nokogiri (1.10.2)
+    minitest (5.12.2)
+    nio4r (2.5.2)
+    nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     popper_js (1.14.5)
-    rack (2.0.6)
+    rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails (5.2.3)
-      actioncable (= 5.2.3)
-      actionmailer (= 5.2.3)
-      actionpack (= 5.2.3)
-      actionview (= 5.2.3)
-      activejob (= 5.2.3)
-      activemodel (= 5.2.3)
-      activerecord (= 5.2.3)
-      activestorage (= 5.2.3)
-      activesupport (= 5.2.3)
+    rails (6.0.0)
+      actioncable (= 6.0.0)
+      actionmailbox (= 6.0.0)
+      actionmailer (= 6.0.0)
+      actionpack (= 6.0.0)
+      actiontext (= 6.0.0)
+      actionview (= 6.0.0)
+      activejob (= 6.0.0)
+      activemodel (= 6.0.0)
+      activerecord (= 6.0.0)
+      activestorage (= 6.0.0)
+      activesupport (= 6.0.0)
       bundler (>= 1.3.0)
-      railties (= 5.2.3)
+      railties (= 6.0.0)
       sprockets-rails (>= 2.0.0)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
-    railties (5.2.3)
-      actionpack (= 5.2.3)
-      activesupport (= 5.2.3)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    railties (6.0.0)
+      actionpack (= 6.0.0)
+      activesupport (= 6.0.0)
       method_source
       rake (>= 0.8.7)
-      thor (>= 0.19.0, < 2.0)
-    rake (12.3.2)
-    rb-fsevent (0.10.3)
-    rb-inotify (0.10.0)
-      ffi (~> 1.0)
-    sass (3.7.3)
-      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 (5.0.7)
-      railties (>= 4.0.0, < 6)
-      sass (~> 3.1)
-      sprockets (>= 2.8, < 4.0)
-      sprockets-rails (>= 2.0, < 4.0)
-      tilt (>= 1.1, < 3)
-    sprockets (3.7.2)
+      thor (>= 0.20.3, < 2.0)
+    rake (13.0.0)
+    sass-rails (6.0.0)
+      sassc-rails (~> 2.1, >= 2.1.1)
+    sassc (2.2.1)
+      ffi (~> 1.9)
+    sassc-rails (2.1.2)
+      railties (>= 4.0.0)
+      sassc (>= 2.0)
+      sprockets (> 3.0)
+      sprockets-rails
+      tilt
+    sprockets (4.0.0)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.1)
@@ -134,12 +145,13 @@ GEM
       sprockets (>= 3.0.0)
     thor (0.20.3)
     thread_safe (0.3.6)
-    tilt (2.0.9)
+    tilt (2.0.10)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    websocket-driver (0.7.0)
+    websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
+    websocket-extensions (0.1.4)
+    zeitwerk (2.2.0)
 
 PLATFORMS
   ruby
diff --git a/hootstrap.gemspec b/hootstrap.gemspec
index 3b7649b..4d8baaf 100644
--- a/hootstrap.gemspec
+++ b/hootstrap.gemspec
@@ -18,5 +18,5 @@ Gem::Specification.new do |s|
 
   s.add_dependency 'rails', '>= 4.2.0'
   s.add_dependency 'sass-rails'
-  s.add_dependency 'bootstrap', '~> 4.1.3'
+  s.add_dependency 'bootstrap', '>= 4.1.3', '< 4.4.0'
 end