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-rw-r--r--lib/cgi/cgi.gemspec1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/cgi/cgi.gemspec b/lib/cgi/cgi.gemspec
index 57dd346db5..fbdec5d3d6 100644
--- a/lib/cgi/cgi.gemspec
+++ b/lib/cgi/cgi.gemspec
@@ -17,6 +17,7 @@ Gem::Specification.new do |spec|
spec.description = %q{Support for the Common Gateway Interface protocol.}
spec.homepage = "https://github.com/ruby/cgi"
spec.license = "BSD-2-Clause"
+ spec.required_ruby_version = ">= 2.5.0"
spec.metadata["homepage_uri"] = spec.homepage
spec.metadata["source_code_uri"] = spec.homepage