diff --git a/.ruby-version b/.ruby-version
index fa7adc7..9c25013 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.3.5
+3.3.6
diff --git a/Dockerfile b/Dockerfile
index 0639c80..4687452 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@
 # For a containerized dev environment, see Dev Containers: https://guides.rubyonrails.org/getting_started_with_devcontainer.html
 
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version
-ARG RUBY_VERSION=3.3.1
+ARG RUBY_VERSION=3.3.6
 FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base
 
 # Rails app lives here
diff --git a/Gemfile.lock b/Gemfile.lock
index 91b4eac..50e5c7e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -309,6 +309,7 @@ GEM
 PLATFORMS
   aarch64-linux
   arm64-darwin-23
+  arm64-darwin-24
   x86_64-linux
 
 DEPENDENCIES
@@ -334,4 +335,4 @@ DEPENDENCIES
   web-console
 
 BUNDLED WITH
-   2.5.18
+   2.5.23