Upgrade to ruby 4.0.0

Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>

4 files changed, 5 insertions, 5 deletions

diff --git a/.ruby-version b/.ruby-version
index a3808a4..2f9dd5f 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-ruby-3.4.8
+ruby-4.0.0
diff --git a/Dockerfile b/Dockerfile
index 232536b..5b20cb3 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=3.4.5
+ARG RUBY_VERSION=4.0.0
 FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim AS base
 
 # Rails app lives here
diff --git a/Gemfile b/Gemfile
index a9be5fb..3fb11ba 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@
 
 source 'https://rubygems.org'
 
-ruby '3.4.8'
+ruby '4.0.0'
 
 # Rails itself :)
 gem 'rails', '~> 8.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index 2fab54c..f705a97 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -370,7 +370,7 @@ DEPENDENCIES
   web-console
 
 RUBY VERSION
-   ruby 3.4.8p72
+   ruby 4.0.0p0
 
 BUNDLED WITH
-   2.6.9
+   4.0.3