diff --git a/Gemfile b/Gemfile
index a438ea4..2d4060b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '~> 3.3.0'
+ruby '~> 3.3.6'
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
 gem 'rails', '~> 8.0.0'
diff --git a/runner.dockerfile b/runner.dockerfile
index 9d0346e..f377309 100644
--- a/runner.dockerfile
+++ b/runner.dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.3.0
+FROM ruby:3.3.6
 
 RUN mkdir /app
 
diff --git a/server.dockerfile b/server.dockerfile
index f7275be..ef4beca 100644
--- a/server.dockerfile
+++ b/server.dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.3.0
+FROM ruby:3.3.6
 
 RUN mkdir /app