diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9342064c..6bd7308c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: cimg/ruby:3.1
+      - image: cimg/ruby:3.2
         environment:
           BUNDLER_VERSION: 2.4.17
     steps:
diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
index 45c52462..5d49cb9b 100644
--- a/.github/copilot-instructions.md
+++ b/.github/copilot-instructions.md
@@ -145,7 +145,7 @@ Only include conferences/workshops specifically for software testing. Per the RE
 
 Per the Gemfile and CircleCI config:
 
-- **Ruby**: 3.1 (cimg/ruby:3.1)
+- **Ruby**: 3.2 (cimg/ruby:3.2)
 - **Bundler**: 2.4.17
 - **Jekyll**: >= 3.10.0
 - **GitHub Pages**: >= 232
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index caedcd00..cc6065ba 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -54,7 +54,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.1'
+          ruby-version: '3.2'
           bundler-cache: true
 
       - name: Setup Pages
diff --git a/Gemfile b/Gemfile
index f4b7db1d..4b3564ea 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,8 @@
 source 'https://rubygems.org'
 
-ruby '>= 3.1.0'
+ruby '>= 3.2.0'
 
 gem 'github-pages', '~> 232', group: :jekyll_plugins
 gem 'html-proofer', '~> 3.19.4'
-gem 'jekyll-last-modified-at', '~> 1.3.2'
\ No newline at end of file
+gem 'jekyll-last-modified-at', '~> 1.3.2'
+gem 'nokogiri', '>= 1.19.1'
\ No newline at end of file
diff --git a/Gemfile.lock b/Gemfile.lock
index fa2ee6fc..9bd072fe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -248,10 +248,10 @@ GEM
     minitest (5.27.0)
     net-http (0.9.1)
       uri (>= 0.11.1)
-    nokogiri (1.18.10)
+    nokogiri (1.19.1)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.18.10-arm64-darwin)
+    nokogiri (1.19.1-arm64-darwin)
       racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
@@ -295,9 +295,13 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  github-pages (>= 232)
+  github-pages (~> 232)
   html-proofer (~> 3.19.4)
-  jekyll-last-modified-at (>= 1.3.0)
+  jekyll-last-modified-at (~> 1.3.2)
+  nokogiri (>= 1.19.1)
+
+RUBY VERSION
+   ruby 3.2.7p253
 
 BUNDLED WITH
    2.4.17