diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d4b76cd..2b0133b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2', 'head']
+        ruby-version: ['2.2', '2.3', '2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2', 'head']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/compass_point.gemspec b/compass_point.gemspec
index 7d6eb2d..ef4bcb0 100644
--- a/compass_point.gemspec
+++ b/compass_point.gemspec
@@ -18,6 +18,6 @@ Gem::Specification.new do |s|
   s.test_files = Dir.glob('spec/**/*_spec.rb')
   s.require_paths = ['lib']
 
-  s.required_ruby_version = '>= 1.9.3'
+  s.required_ruby_version = '>= 2.0.0'
   s.required_rubygems_version = '>= 1.3.0'
 end