diff --git a/.github/dependabot.yml b/.github/dependabot.yml
deleted file mode 100644
index e1a0001..0000000
--- a/.github/dependabot.yml
+++ /dev/null
@@ -1,10 +0,0 @@
-version: 2
-updates:
-  - package-ecosystem: bundler
-    directory: /
-    schedule:
-      interval: daily
-  - package-ecosystem: github-actions
-    directory: /
-    schedule:
-      interval: daily
diff --git a/Dockerfile b/Dockerfile
index 9906386..8bee549 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,12 +2,10 @@
 # check=error=true
 
 # This Dockerfile is designed for production, not development. Use with Kamal or build'n'run by hand:
-# docker build --tag fleetfocus-api --build-arg RUBY_VERSION="$(cat .ruby-version)" .
+# docker build --tag fleetfocus-api .
 # docker run --interactive --tty --publish 80:80 --env MASTER_KEY="$(cat config/fleetfocus-api.key)" fleetfocus-api
 
-# Make sure RUBY_VERSION matches the Ruby version in .ruby-version
-ARG RUBY_VERSION=OVERRIDE_ME
-FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base
+FROM ruby:3.4.8-slim AS base
 
 # App lives here
 WORKDIR /app
diff --git a/Gemfile b/Gemfile
index 6e00acf..12c872d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 source 'https://rubygems.org'
-ruby file: '.ruby-version'
+ruby '3.4.8'
 
 gem 'activesupport', require: 'active_support/all'
 gem 'exception_notification'
diff --git a/config/deploy.yml b/config/deploy.yml
index ef88a14..22a7985 100644
--- a/config/deploy.yml
+++ b/config/deploy.yml
@@ -1,8 +1,4 @@
 <%
-  def project_root
-    KAMAL.configured?[:config_file].join('../..')
-  end
-
   def user_for(host)
     Net::SSH::Config.for(host).fetch(:user, ENV.fetch('USER', nil))
   end
@@ -20,8 +16,6 @@ registry:
   server: localhost:5555
 builder:
   arch: amd64
-  args:
-    RUBY_VERSION: <%= project_root.join('.ruby-version').read.strip %>
 env:
   clear:
     TZ: 'America/New_York'
diff --git a/renovate.json b/renovate.json
new file mode 100644
index 0000000..6c115de
--- /dev/null
+++ b/renovate.json
@@ -0,0 +1,6 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "github>umts/renovate-config:base"
+  ]
+}