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-rw-r--r--lib/rubygems/specification.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/rubygems/specification.rb b/lib/rubygems/specification.rb
index 73062afe53..6b569032ba 100644
--- a/lib/rubygems/specification.rb
+++ b/lib/rubygems/specification.rb
@@ -666,6 +666,9 @@ class Gem::Specification < Gem::BasicSpecification
#
# # Only prereleases or final releases after 2.6.0.preview2
# spec.required_ruby_version = '> 2.6.0.preview2'
+ #
+ # # This gem will work with 2.3.0 or greater, including major version 3, but lesser than 4.0.0
+ # spec.required_ruby_version = '>= 2.3', '< 4'
def required_ruby_version=(req)
@required_ruby_version = Gem::Requirement.create req