diff --git a/.github/workflows/development.yml b/.github/workflows/development.yml
index 3c64d13..baba4f9 100644
--- a/.github/workflows/development.yml
+++ b/.github/workflows/development.yml
@@ -15,11 +15,11 @@ jobs:
           - macos
         
         ruby:
-          - "2.5"
-          - "2.6"
           - "2.7"
           - "3.0"
           - "3.1"
+          - "3.2"
+          - "3.3"
         
         gemfile:
           - gems/rack_v2.rb
diff --git a/rack-cache.gemspec b/rack-cache.gemspec
index 82584cf..1d3c72c 100644
--- a/rack-cache.gemspec
+++ b/rack-cache.gemspec
@@ -6,7 +6,7 @@ Gem::Specification.new do |s|
 
   s.summary     = "HTTP Caching for Rack"
   s.description = "Rack::Cache is suitable as a quick drop-in component to enable HTTP caching for Rack-based applications that produce freshness (expires, cache-control) and/or validation (last-modified, etag) information."
-  s.required_ruby_version = '>= 2.3.0'
+  s.required_ruby_version = '>= 2.7.7'
 
   s.authors = ["Ryan Tomayko"]
   s.email = "r@tomayko.com"