diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 0cdd889..57d0845 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['3.0', '3.1', '3.2', '3.3']
+        ruby-version: ['3.1', '3.2', '3.3']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/github_diff_parser.gemspec b/github_diff_parser.gemspec
index 15cb153..09a58c2 100644
--- a/github_diff_parser.gemspec
+++ b/github_diff_parser.gemspec
@@ -13,7 +13,7 @@ Gem::Specification.new do |spec|
 
   spec.homepage = "https://github.com/CatanaCorp/github_diff_parser"
   spec.license = "MIT"
-  spec.required_ruby_version = ">= 3.0.0"
+  spec.required_ruby_version = ">= 3.1.0"
 
   spec.metadata["allowed_push_host"] = "https://rubygems.org"