diff --git a/.ruby-version b/.ruby-version
index 03463f3..e391e18 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-ruby-3.3.0
+ruby-3.3.6
diff --git a/Gemfile b/Gemfile
index a438ea4..4c1a770 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 '~> 3.3.5'
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
 gem 'rails', '~> 8.0.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index e2428cb..1ebc95d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -357,7 +357,7 @@ DEPENDENCIES
   webdrivers
 
 RUBY VERSION
-   ruby 3.3.0p0
+   ruby 3.3.5p100
 
 BUNDLED WITH
    2.5.3
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