diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 9f2572f..36f5b06 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: ruby/setup-ruby@v1
+      - uses: ruby/setup-ruby@v1.202.0
       - run: bundle install
       - name: Wait until Postgres is ready to accept connections
         run: |
diff --git a/.ruby-version b/.ruby-version
index f13c6f4..e391e18 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-ruby-3.3.5
+ruby-3.3.6
diff --git a/Dockerfile b/Dockerfile
index b155a9d..071a90a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # syntax = docker/dockerfile:1
 
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
-ARG RUBY_VERSION=3.3.5
+ARG RUBY_VERSION=3.3.6
 FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim as base
 
 # Rails app lives here
diff --git a/Gemfile b/Gemfile
index 83b5acf..e3f3306 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ruby '3.3.5'
+ruby '3.3.6'
 gem 'bootsnap', require: false
 gem 'csv'
 gem 'importmap-rails'
diff --git a/Gemfile.lock b/Gemfile.lock
index cb08902..8b7b155 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -373,7 +373,7 @@ DEPENDENCIES
   web-console
 
 RUBY VERSION
-   ruby 3.3.5p100
+   ruby 3.3.6p108
 
 BUNDLED WITH
    2.5.17