diff --git a/CHANGELOG.md b/CHANGELOG.md
index 870a80b..4abc031 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,7 +17,7 @@ Changelog](https://keepachangelog.com/en/1.0.0/).
 
 #### Languages and services
 
-- Update `Ruby` to `3.3.5`
+- Update `Ruby` to `3.3.6`
 - Update `Postgres` to `17.0`
 - Update `Redis` to `7.4.1`
 
diff --git a/Dockerfile b/Dockerfile
index 26ed964..6ed2e9e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.3.5-slim-bookworm AS assets
+FROM ruby:3.3.6-slim-bookworm AS assets
 LABEL maintainer="Nick Janetakis <nick.janetakis@gmail.com>"
 
 WORKDIR /app
@@ -42,7 +42,7 @@ CMD ["bash"]
 
 ###############################################################################
 
-FROM ruby:3.3.5-slim-bookworm AS app
+FROM ruby:3.3.6-slim-bookworm AS app
 LABEL maintainer="Nick Janetakis <nick.janetakis@gmail.com>"
 
 WORKDIR /app
diff --git a/Gemfile b/Gemfile
index e4d34d8..5c4ca86 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source "https://rubygems.org"
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby "3.3.5"
+ruby "3.3.6"
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
 gem "rails", "~> 8.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index c686adf..0e81557 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -315,7 +315,7 @@ DEPENDENCIES
   web-console
 
 RUBY VERSION
-   ruby 3.3.5p100
+   ruby 3.3.6p108
 
 BUNDLED WITH
-   2.5.16
+   2.5.22
diff --git a/README.md b/README.md
index c9e25d3..545590c 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ practices](https://nickjanetakis.com/blog/best-practices-around-production-ready
 based on building and deploying dozens of assorted Dockerized web apps since
 late 2014.
 
-**This app is using Rails 8.0.0 and Ruby 3.3.5**. The screenshot doesn't get
+**This app is using Rails 8.0.0 and Ruby 3.3.6**. The screenshot doesn't get
 updated every time I bump the versions:
 
 [![Screenshot](.github/docs/screenshot.jpg)](https://github.com/nickjj/docker-rails-example/blob/main/.github/docs/screenshot.jpg?raw=true)