diff --git a/.ruby-version b/.ruby-version
index eb39e53..2f4b607 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.3
+3.4
diff --git a/Gemfile b/Gemfile
index 4fe1eb6..05c2b97 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ source 'https://rubygems.org'
 gem 'base64'
 gem 'bigdecimal'
 gem 'csv'
-gem 'github-pages', group: :jekyll_plugins
+gem 'jekyll', '~> 4.4'
 gem 'jekyll-remote-theme'
 gem 'logger'
 gem 'rexml'