diff --git a/Gemfile b/Gemfile
index c9dd8c5..0a00c7a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,5 @@
 source "https://rubygems.org"
 
-gem 'github-pages', '>= 224'
-gem 'html-proofer', '>= 3.15.0'
+gem 'github-pages', '>= 232'
+gem 'html-proofer', '>= 5.0.0'
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw]