diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
new file mode 100644
index 0000000..38f3528
--- /dev/null
+++ b/.devcontainer/devcontainer.json
@@ -0,0 +1,5 @@
+{
+	"name": "blog",
+	"image": "mcr.microsoft.com/devcontainers/ruby:latest",
+	"features": {}
+}
\ No newline at end of file
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..c1f575c
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+ruby-3.3.1
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
index 6b19cfb..12feb27 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,8 +1,12 @@
 source 'https://rubygems.org'
-gem "github-pages", "~> 206", group: :jekyll_plugins
+
+gem "github-pages", "~> 231", group: :jekyll_plugins
 gem "jekyll-github-metadata"
 gem "jekyll-octicons"
 gem "jemoji"
-gem "jekyll-admin"
 gem 'jekyll-feed'
-gem 'wdm', '>= 0.1.0' if Gem.win_platform?
\ No newline at end of file
+gem 'wdm', '>= 0.1.0' if Gem.win_platform?
+
+gem 'webrick', '~> 1.7'
+gem 'csv', '~> 3.1'
+gem 'faraday-retry', '~> 2.0'
diff --git a/_config.yml b/_config.yml
index 60d7d8b..8ac4471 100644
--- a/_config.yml
+++ b/_config.yml
@@ -4,7 +4,6 @@ plugins:
   - jekyll-octicons
   - jekyll-github-metadata
   - jemoji
-  - jekyll-admin
   - jekyll-feed
 permalink: '/:title/'
 defaults: