diff --git a/Gemfile b/Gemfile
index c1f7eef1..059fa2d1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -39,9 +39,6 @@ gem 'jbuilder', '~> 2.5'
 # Use ActiveModel has_secure_password
 gem 'bcrypt', '~> 3.1.7'
 
-# Use Capistrano for deployment
-# gem 'capistrano-rails', group: :development
-
 gem 'bootstrap', '~> 4'
 gem 'commonmarker'
 gem 'devise'
@@ -83,23 +80,17 @@ end
 group :development do
   # Access an IRB console on exception pages or by using <%= console %>
   # anywhere in the code.
-  gem 'listen', '>= 3.0.5', '< 3.2'
-  gem 'web-console', '>= 3.3.0'
-  # Spring speeds up development by keeping your application running in
-  # the background. Read more: https://github.com/rails/spring
   gem 'bcrypt_pbkdf'
-  gem 'capistrano'
-  gem 'capistrano-bundler'
-  gem 'capistrano-passenger'
-  gem 'capistrano-rails'
-  gem 'capistrano-rbenv'
+  gem 'brakeman'
   gem 'ed25519'
   gem 'haml-lint', require: false
   gem 'letter_opener'
+  gem 'listen', '>= 3.0.5', '< 3.2'
   gem 'rbnacl', '< 5.0'
   gem 'rubocop-rails'
   gem 'spring'
   gem 'spring-watcher-listen', '~> 2.0.0'
+  gem 'web-console', '>= 3.3.0'
 end
 
 group :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index a762a7d6..51ea3239 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -73,8 +73,6 @@ GEM
       zeitwerk (~> 2.2)
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
-    airbrussh (1.4.0)
-      sshkit (>= 1.6.1, != 1.7.0)
     ast (2.4.0)
     autoprefixer-rails (9.7.3)
       execjs
@@ -85,22 +83,8 @@ GEM
       autoprefixer-rails (>= 9.1.0)
       popper_js (>= 1.14.3, < 2)
       sassc-rails (>= 2.0.0)
+    brakeman (4.7.2)
     builder (3.2.4)
-    capistrano (3.11.2)
-      airbrussh (>= 1.0.0)
-      i18n
-      rake (>= 10.0.0)
-      sshkit (>= 1.9.0)
-    capistrano-bundler (1.6.0)
-      capistrano (~> 3.1)
-    capistrano-passenger (0.2.0)
-      capistrano (~> 3.0)
-    capistrano-rails (1.4.0)
-      capistrano (~> 3.1)
-      capistrano-bundler (~> 1.1)
-    capistrano-rbenv (2.1.4)
-      capistrano (~> 3.1)
-      sshkit (~> 1.3)
     capybara (2.18.0)
       addressable
       mini_mime (>= 0.1.3)
@@ -235,9 +219,6 @@ GEM
     mobility (0.8.9)
       i18n (>= 0.6.10, < 2)
       request_store (~> 1.0)
-    net-scp (2.0.0)
-      net-ssh (>= 2.6.5, < 6.0.0)
-    net-ssh (5.2.0)
     netaddr (2.0.4)
     nio4r (2.5.2)
     nokogiri (1.10.7)
@@ -368,9 +349,6 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.4.2)
-    sshkit (1.20.0)
-      net-scp (>= 1.1.2)
-      net-ssh (>= 2.8.0)
     sucker_punch (2.1.2)
       concurrent-ruby (~> 1.0)
     sysexits (1.2.0)
@@ -419,11 +397,7 @@ DEPENDENCIES
   bcrypt (~> 3.1.7)
   bcrypt_pbkdf
   bootstrap (~> 4)
-  capistrano
-  capistrano-bundler
-  capistrano-passenger
-  capistrano-rails
-  capistrano-rbenv
+  brakeman
   capybara (~> 2.13)
   commonmarker
   database_cleaner