diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 5008ddf..0000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2d5ddae..396e75b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -19,7 +19,6 @@ jobs:
           - macos
           - ubuntu
         ruby:
-          - '3.0'
           - '3.1'
           - '3.2'
           - '3.3'
@@ -51,7 +50,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.2'
+          ruby-version: '3.3'
           bundler-cache: true
       - name: Install dependencies
         run: bundle install
diff --git a/.gitignore b/.gitignore
index b04a8c8..c51c30b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@
 
 # rspec failure tracking
 .rspec_status
+.DS_Store
diff --git a/medieval_latina.gemspec b/medieval_latina.gemspec
index a6c6bdc..fe1491a 100644
--- a/medieval_latina.gemspec
+++ b/medieval_latina.gemspec
@@ -15,7 +15,7 @@ Gem::Specification.new do |spec|
   spec.description = description
   spec.homepage = "https://github.com/jaysonvirissimo/medieval_latina"
   spec.license = "MIT"
-  spec.required_ruby_version = Gem::Requirement.new(">= 3.0.0")
+  spec.required_ruby_version = Gem::Requirement.new(">= 3.1.0")
   spec.metadata["allowed_push_host"] = "https://rubygems.org/"
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = github_uri