diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 865aadb25..9791ccd49 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,7 +9,7 @@ jobs:
   ruby-versions:
     uses: ruby/actions/.github/workflows/ruby_versions.yml@master
     with:
-      min_version: 2.2
+      min_version: 2.3
       engine: cruby-jruby
       versions: '["truffleruby"]'
 
diff --git a/rake.gemspec b/rake.gemspec
index 20a1db423..4546e6cf6 100644
--- a/rake.gemspec
+++ b/rake.gemspec
@@ -95,6 +95,6 @@ Rake has the following features:
   s.executables = s.files.grep(%r{^exe/}) { |f| File.basename(f) }
   s.require_paths = ["lib".freeze]
 
-  s.required_ruby_version = Gem::Requirement.new(">= 2.2".freeze)
+  s.required_ruby_version = Gem::Requirement.new(">= 2.3".freeze)
   s.rdoc_options = ["--main".freeze, "README.rdoc".freeze]
 end