diff --git a/.github/workflows/github-actions-deploy.yml b/.github/workflows/github-actions-deploy.yml
index 82246de..4323c76 100644
--- a/.github/workflows/github-actions-deploy.yml
+++ b/.github/workflows/github-actions-deploy.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Setup Ruby and install dependencies
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.1.6
+          ruby-version: 3.3.6
           bundler-cache: true
 
       - name: Build
diff --git a/.ruby-version b/.ruby-version
index 9cec716..9c25013 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.1.6
+3.3.6
diff --git a/Gemfile b/Gemfile
index c7a8c64..d5cf9f9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ruby '3.1.6'
+ruby '3.3.6'
 
 gem 'jekyll'
 gem 'jekyll-seo-tag'
diff --git a/Gemfile.lock b/Gemfile.lock
index f6fbac2..bfab6d0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -67,9 +67,10 @@ GEM
     rexml (3.3.7)
     rouge (4.4.0)
     safe_yaml (1.0.5)
-    sass-embedded (1.79.3)
+    sass-embedded (1.79.3-arm64-darwin)
+      google-protobuf (~> 4.27)
+    sass-embedded (1.79.3-x86_64-linux-gnu)
       google-protobuf (~> 4.27)
-      rake (>= 13)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     unicode-display_width (2.6.0)
@@ -86,7 +87,7 @@ DEPENDENCIES
   jekyll-sitemap
 
 RUBY VERSION
-   ruby 3.1.6p260
+   ruby 3.3.6p108
 
 BUNDLED WITH
-   2.3.27
+   2.5.22
diff --git a/README.md b/README.md
index 85555f7..ed071e7 100644
--- a/README.md
+++ b/README.md
@@ -10,10 +10,10 @@ Unless you're a big fan of raw Markdown, you can view the blog at [https://jsher
 
 ## Developing and publishing
 
-Install rbenv and then Ruby version 3.1.6
+Install rbenv and then Ruby version 3.3.6
 
 ```bash
-rbenv install 3.1.6
+rbenv install 3.3.6
 ```
 
 To run a development server on port 4000, use: