diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index afd057d..be26fa5 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -103,10 +103,11 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-          - ruby-2.6
           - ruby-2.7
           - ruby-3.0
           - ruby-3.1
+          - ruby-3.2
+          - ruby-3.3
 
     steps:
       - uses: actions/checkout@v3
diff --git a/duffel_api.gemspec b/duffel_api.gemspec
index 28a8f70..41ee031 100644
--- a/duffel_api.gemspec
+++ b/duffel_api.gemspec
@@ -11,7 +11,7 @@ Gem::Specification.new do |spec|
   spec.summary       = "A Ruby client for interacting with the Duffel API"
   spec.homepage      = "https://github.com/duffelhq/duffel-api-ruby"
   spec.license       = "MIT"
-  spec.required_ruby_version = ">= 2.6.0"
+  spec.required_ruby_version = ">= 2.7.0"
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage