diff --git a/Gemfile b/Gemfile
index 081d36e..e4b9b27 100644
--- a/Gemfile
+++ b/Gemfile
@@ -39,7 +39,7 @@ gem 'sdoc', '~> 2.1.0',          group: :doc
 gem 'web-console', '~> 4.1.0', group: :development
 gem 'listen', '~> 3.5.1', group: :development
 
-gem 'bootstrap', '~> 4.5.3'
+gem 'bootstrap', '~> 5.0.1'
 gem "bootstrap_form", "~> 4.5"
 gem 'font-awesome-sass', '~> 5.15.1'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index fe592c8..4517265 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -62,15 +62,15 @@ GEM
       zeitwerk (~> 2.3)
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
-    autoprefixer-rails (10.0.2.0)
-      execjs
+    autoprefixer-rails (10.2.5.0)
+      execjs (< 2.8.0)
     bcrypt (3.1.16)
     bindex (0.8.1)
     bootsnap (1.7.5)
       msgpack (~> 1.0)
-    bootstrap (4.5.3)
+    bootstrap (5.0.1)
       autoprefixer-rails (>= 9.1.0)
-      popper_js (>= 1.14.3, < 2)
+      popper_js (>= 2.9.2, < 3)
       sassc-rails (>= 2.0.0)
     bootstrap_form (4.5.0)
       actionpack (>= 5.2)
@@ -141,7 +141,7 @@ GEM
     multipart-post (2.1.1)
     mysql2 (0.5.3)
     nio4r (2.5.7)
-    nokogiri (1.11.4)
+    nokogiri (1.11.5)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     oauth2 (1.4.7)
@@ -164,7 +164,7 @@ GEM
       actionpack (>= 4.2)
       omniauth (~> 2.0)
     orm_adapter (0.5.0)
-    popper_js (1.16.0)
+    popper_js (2.9.2)
     public_suffix (4.0.6)
     puma (5.3.1)
       nio4r (~> 2.0)
@@ -268,7 +268,7 @@ PLATFORMS
 
 DEPENDENCIES
   bootsnap
-  bootstrap (~> 4.5.3)
+  bootstrap (~> 5.0.1)
   bootstrap_form (~> 4.5)
   coffee-rails (~> 5.0.0)
   devise (~> 4.8.0)