diff --git a/.github/workflows/rubyonrails.yml b/.github/workflows/rubyonrails.yml
index 38b76b0..9e8fb57 100644
--- a/.github/workflows/rubyonrails.yml
+++ b/.github/workflows/rubyonrails.yml
@@ -38,9 +38,10 @@ jobs:
         uses: actions/checkout@v4
       # Add or replace dependency steps here
       - name: Install Ruby and gems
-        uses: ruby/setup-ruby@55283cc23133118229fd3f97f9336ee23a179fcf # v1.146.0
+        uses: ruby/setup-ruby@v1
         with:
           bundler-cache: true
+          ruby-version: '3.3.5'
       # Add or replace database setup steps here
       - name: Set up database schema
         run: bin/rails db:schema:load
diff --git a/.tool-versions b/.tool-versions
index f2a971a..1dd1998 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-ruby 3.2.2
+ruby 3.3.5
diff --git a/Gemfile b/Gemfile
index 9b3c25c..c687986 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-ruby "3.2.2"
+ruby "3.3.5"
 
 # TMI-specific
 gem 'sidekiq'