diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bdee497..ad01a8c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.7', '3.1']
+        ruby-version: ['3.0', '3.3']
 
     steps:
     - uses: actions/checkout@v2
diff --git a/.ruby-version b/.ruby-version
index a4dd9db..15a2799 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.7.4
+3.3.0
diff --git a/README.md b/README.md
index 7def5a2..3b3f307 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 [![Build](https://github.com/seatsio/seatsio-ruby/workflows/Build/badge.svg)](https://github.com/seatsio/seatsio-ruby/actions/workflows/build.yml)
 [![Gem Version](https://badge.fury.io/rb/seatsio.svg)](https://badge.fury.io/rb/seatsio)
 
-This is the official Ruby client library for the [Seats.io V2 REST API](https://docs.seats.io/docs/api-overview), supporting Ruby 2.7.0+
+This is the official Ruby client library for the [Seats.io V2 REST API](https://docs.seats.io/docs/api-overview), supporting Ruby 3.0+
 
 ## Versioning