diff --git a/.github/workflows/test-ruby.yml b/.github/workflows/test-ruby.yml
index 770cd72a1b..6f24c6221c 100644
--- a/.github/workflows/test-ruby.yml
+++ b/.github/workflows/test-ruby.yml
@@ -124,7 +124,6 @@ jobs:
       fail-fast: false
       matrix:
         ruby-version:
-          - '3.2'
           - '.ruby-version'
     steps:
       - uses: actions/checkout@v4
@@ -225,7 +224,6 @@ jobs:
       fail-fast: false
       matrix:
         ruby-version:
-          - '3.2'
           - '.ruby-version'
     steps:
       - uses: actions/checkout@v4
@@ -303,7 +301,6 @@ jobs:
       fail-fast: false
       matrix:
         ruby-version:
-          - '3.2'
           - '.ruby-version'
 
     steps:
@@ -419,7 +416,6 @@ jobs:
       fail-fast: false
       matrix:
         ruby-version:
-          - '3.2'
           - '.ruby-version'
         search-image:
           - docker.elastic.co/elasticsearch/elasticsearch:7.17.13
diff --git a/.rubocop.yml b/.rubocop.yml
index ebeed6ea49..1bc90ffd54 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -8,7 +8,7 @@ AllCops:
     - lib/mastodon/migration_helpers.rb
   ExtraDetails: true
   NewCops: enable
-  TargetRubyVersion: 3.2 # Oldest supported ruby version
+  TargetRubyVersion: 3.3 # Oldest supported ruby version
 
 inherit_from:
   - .rubocop/layout.yml
diff --git a/Gemfile b/Gemfile
index 6abb075c1c..be9cb43711 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 source 'https://rubygems.org'
-ruby '>= 3.2.0'
+ruby file: '.ruby-version'
 
 gem 'propshaft'
 gem 'puma', '~> 6.3'
diff --git a/README.md b/README.md
index 17d9eefb57..ab5b0de753 100644
--- a/README.md
+++ b/README.md
@@ -69,7 +69,7 @@ Mastodon acts as an OAuth2 provider, so 3rd party apps can use the REST and Stre
 
 - **PostgreSQL** 12+
 - **Redis** 4+
-- **Ruby** 3.2+
+- **Ruby** 3.3+
 - **Node.js** 18+
 
 The repository includes deployment configurations for **Docker and docker-compose** as well as specific platforms like **Heroku**, and **Scalingo**. For Helm charts, reference the [mastodon/chart repository](https://github.com/mastodon/chart). The [**standalone** installation guide](https://docs.joinmastodon.org/admin/install/) is available in the documentation.