diff --git a/Gemfile b/Gemfile
index b435074..6cf53a6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,12 +7,8 @@ gemspec
 
 group :development do
   gem 'dotenv', '~> 3.1'
-  gem 'prettier_print', '~> 1.2'
   gem 'rack', '~> 3.1'
   gem 'rake', '~> 13.2'
   gem 'rubocop', '~> 1.68'
-  gem 'syntax_tree', '~> 6.2'
-  gem 'syntax_tree-haml', '~> 4.0'
-  gem 'syntax_tree-rbs', '~> 1.0'
   gem 'test-unit', '~> 3.6'
 end
diff --git a/passageidentity.gemspec b/passageidentity.gemspec
index 4ed3b9a..f29ea4c 100644
--- a/passageidentity.gemspec
+++ b/passageidentity.gemspec
@@ -21,8 +21,9 @@ Gem::Specification.new do |s|
   s.files = Dir['lib/**/*.rb']
   s.require_path = 'lib'
 
-  s.add_dependency 'activesupport', '~> 7.2', '>= 7.0'
-  s.add_dependency 'faraday', '>= 0.17.0', '< 2.0'
-  s.add_dependency 'jwt', '~> 2.3', '>= 2.3.0'
-  s.add_dependency 'marcel',  '~>1.0', '>= 1.0.4'
+  s.add_dependency 'activesupport', '~> 7.2', '>= 7.2'
+  s.add_dependency 'faraday', '>= 2.12', '< 3.0' # required by codegen
+  s.add_dependency 'faraday-multipart', '~> 1.1', '>= 1.1.0' # required by codegen
+  s.add_dependency 'jwt', '~> 2.10', '>= 2.10.1'
+  s.add_dependency 'marcel',  '~>1.0', '>= 1.0.4' # required by codegen
 end