diff --git a/Gemfile.lock b/Gemfile.lock
index 99a4a37..97dbced 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,19 +1,6 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionpack (4.2.11.3)
-      actionview (= 4.2.11.3)
-      activesupport (= 4.2.11.3)
-      rack (~> 1.6)
-      rack-test (~> 0.6.2)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
-      rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (4.2.11.3)
-      activesupport (= 4.2.11.3)
-      builder (~> 3.1)
-      erubis (~> 2.7.0)
-      rails-dom-testing (~> 1.0, >= 1.0.5)
-      rails-html-sanitizer (~> 1.0, >= 1.0.3)
     activesupport (4.2.11.3)
       i18n (~> 0.7)
       minitest (~> 5.1)
@@ -21,13 +8,8 @@ GEM
       tzinfo (~> 1.1)
     addressable (2.8.1)
       public_suffix (>= 2.0.2, < 6.0)
-    autoprefixer-rails (10.2.4.0)
-      execjs
-    bootstrap (4.6.0)
-      autoprefixer-rails (>= 9.1.0)
-      popper_js (>= 1.14.3, < 2)
-      sassc-rails (>= 2.0.0)
-    builder (3.2.4)
+    bootstrap (5.3.5)
+      popper_js (>= 2.11.8, < 3)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -35,11 +17,9 @@ GEM
     colorator (1.1.0)
     colored (1.2)
     concurrent-ruby (1.1.8)
-    crass (1.0.6)
     em-websocket (0.5.2)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
-    erubis (2.7.0)
     ethon (0.12.0)
       ffi (>= 1.3.0)
     eventmachine (1.2.7)
@@ -106,9 +86,6 @@ GEM
     listen (3.4.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    loofah (2.19.1)
-      crass (~> 1.0.2)
-      nokogiri (>= 1.5.9)
     mercenary (0.3.6)
     mini_magick (4.11.0)
     mini_mime (1.1.2)
@@ -125,25 +102,10 @@ GEM
     parallel (1.20.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    popper_js (1.16.0)
+    popper_js (2.11.8)
     public_suffix (5.0.0)
     racc (1.6.2)
-    rack (1.6.13)
-    rack-test (0.6.3)
-      rack (>= 1.0)
-    rails-deprecated_sanitizer (1.0.4)
-      activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.9)
-      activesupport (>= 4.2.0, < 5.0)
-      nokogiri (~> 1.6)
-      rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.4.4)
-      loofah (~> 2.19, >= 2.19.1)
-    railties (4.2.11.3)
-      actionpack (= 4.2.11.3)
-      activesupport (= 4.2.11.3)
-      rake (>= 0.8.7)
-      thor (>= 0.18.1, < 2.0)
+    rack (2.2.14)
     rake (13.0.3)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
@@ -157,27 +119,10 @@ GEM
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sassc (2.4.0)
-      ffi (~> 1.9)
-    sassc-rails (2.1.2)
-      railties (>= 4.0.0)
-      sassc (>= 2.0)
-      sprockets (> 3.0)
-      sprockets-rails
-      tilt
     sawyer (0.8.2)
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)
-    sprockets (4.0.2)
-      concurrent-ruby (~> 1.0)
-      rack (> 1, < 3)
-    sprockets-rails (3.2.2)
-      actionpack (>= 4.0)
-      activesupport (>= 4.0)
-      sprockets (>= 3.0.0)
-    thor (1.1.0)
     thread_safe (0.3.6)
-    tilt (2.0.10)
     typhoeus (0.8.0)
       ethon (>= 0.8.0)
     tzinfo (1.2.10)