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-rw-r--r--ext/io/console/io-console.gemspec3
1 files changed, 2 insertions, 1 deletions
diff --git a/ext/io/console/io-console.gemspec b/ext/io/console/io-console.gemspec
index 2c65db9c3fb..9187e9f777a 100644
--- a/ext/io/console/io-console.gemspec
+++ b/ext/io/console/io-console.gemspec
@@ -1,5 +1,5 @@
# -*- ruby -*-
-_VERSION = "0.4.1"
+_VERSION = "0.4.2"
date = %w$Date:: $[1]
Gem::Specification.new do |s|
@@ -9,6 +9,7 @@ Gem::Specification.new do |s|
s.summary = "Console interface"
s.email = "nobu@ruby-lang.org"
s.description = "add console capabilities to IO instances."
+ s.required_ruby_version = ">= 1.9.3"
s.homepage = "http://www.ruby-lang.org"
s.authors = ["Nobu Nakada"]
s.require_path = %[.]