diff --git a/Gemfile b/Gemfile
index 92b404c..9623815 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,12 +2,12 @@ ruby '>= 2.5'
 source 'https://rubygems.org'
 
 # Middleman
-gem 'middleman', '~> 4.4'
-gem 'middleman-syntax', '~> 3.2'
+gem 'middleman', '~> 4.4', '>= 4.4.2'
+gem 'middleman-syntax', '~> 3.3', '>= 3.3.0'
 gem 'middleman-autoprefixer', '~> 3.0'
 gem 'middleman-sprockets', '~> 4.1'
 gem 'rouge', '~> 3.21'
 gem 'redcarpet', '~> 3.5.0'
 gem 'nokogiri', '~> 1.12.1'
 gem 'sass'
-gem 'webrick'
\ No newline at end of file
+gem 'webrick', '>= 1.8.2'
\ No newline at end of file