diff --git a/Gemfile b/Gemfile
index c6c9fc3..5f20c7e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -37,7 +37,7 @@ gem "bcrypt", "~> 3.1.7"
 
 # Reduces boot times through caching; required in config/boot.rb
 gem "bootsnap", ">= 1.4.2", require: false
-gem "bootstrap", "~> 4.1.3"
+gem "bootstrap", "~> 4.3.1"
 gem "font-awesome-sass", "~> 5.11.2"
 gem "simple_form"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 6ead678..e826b01 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,7 +61,7 @@ GEM
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     ast (2.4.0)
-    autoprefixer-rails (9.7.2)
+    autoprefixer-rails (9.7.4)
       execjs
     awesome_print (1.8.0)
     bcrypt (3.1.13)
@@ -70,12 +70,14 @@ GEM
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
     bindex (0.8.1)
+    binding_of_caller (0.8.0)
+      debug_inspector (>= 0.0.1)
     bootsnap (1.4.5)
       msgpack (~> 1.0)
-    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)
     brakeman (4.7.2)
     builder (3.2.3)
     bullet (6.0.2)
@@ -100,6 +102,7 @@ GEM
     cuba (3.9.2)
       rack (>= 1.6.0)
     database_cleaner (1.7.0)
+    debug_inspector (0.0.3)
     devise (4.7.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -122,7 +125,8 @@ GEM
       factory_bot (~> 5.1.0)
       railties (>= 4.2.0)
     ffaker (2.13.0)
-    ffi (1.11.1-x64-mingw32)
+    ffi (1.12.1)
+    ffi (1.12.1-x64-mingw32)
     font-awesome-sass (5.11.2)
       sassc (>= 1.11)
     formatador (0.2.5)
@@ -210,9 +214,12 @@ GEM
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.13.0)
+    msgpack (1.3.1)
     msgpack (1.3.1-x64-mingw32)
     nenv (0.3.0)
     nio4r (2.5.2)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
     nokogiri (1.10.5-x64-mingw32)
       mini_portile2 (~> 2.4.0)
     notiffany (0.1.3)
@@ -225,11 +232,15 @@ GEM
     parser (2.6.5.0)
       ast (~> 2.4.0)
     parslet (1.8.2)
+    pg (1.1.4)
     pg (1.1.4-x64-mingw32)
-    popper_js (1.14.5)
+    popper_js (1.16.0)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
+    pry-byebug (3.8.0)
+      byebug (~> 11.0)
+      pry (~> 0.10)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     psych (2.2.4)
@@ -283,7 +294,7 @@ GEM
     rainbow (3.0.0)
     rake (13.0.0)
     rb-fsevent (0.10.3)
-    rb-inotify (0.10.0)
+    rb-inotify (0.10.1)
       ffi (~> 1.0)
     redis (4.1.3)
     regexp_parser (1.6.0)
@@ -330,13 +341,10 @@ GEM
     ruby_dep (1.5.0)
     ruby_http_client (3.3.0)
     rubyzip (2.0.0)
-    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 (6.0.0)
       sassc-rails (~> 2.1, >= 2.1.1)
+    sassc (2.2.1)
+      ffi (~> 1.9)
     sassc (2.2.1-x64-mingw32)
       ffi (~> 1.9)
     sassc-rails (2.1.2)
@@ -385,13 +393,10 @@ GEM
     turbolinks-source (5.2.0)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    tzinfo-data (1.2019.3)
-      tzinfo (>= 1.0.0)
     unicode-display_width (1.6.0)
     uniform_notifier (1.13.0)
     warden (1.2.8)
       rack (>= 2.0.6)
-    wdm (0.1.1)
     web-console (4.0.1)
       actionview (>= 6.0.0)
       activemodel (>= 6.0.0)
@@ -415,6 +420,7 @@ GEM
     zeitwerk (2.2.1)
 
 PLATFORMS
+  ruby
   x64-mingw32
 
 DEPENDENCIES
@@ -424,7 +430,7 @@ DEPENDENCIES
   better_errors
   binding_of_caller
   bootsnap (>= 1.4.2)
-  bootstrap (~> 4.1.3)
+  bootstrap (~> 4.3.1)
   brakeman
   bullet
   bundler-audit
@@ -473,8 +479,6 @@ DEPENDENCIES
   spring-watcher-listen (~> 2.0.0)
   sqlite3
   turbolinks (~> 5)
-  tzinfo-data
-  wdm (>= 0.1.0)
   web-console (>= 3.3.0)
   webdrivers (~> 4.0)
   webpacker (~> 4.0)