2 files changed, 12 insertions, 2 deletions
diff --git a/lib/time.gemspec b/lib/time.gemspec
index ce5f76f8e9..a9349a253f 100644
--- a/lib/time.gemspec
+++ b/lib/time.gemspec
@@ -1,6 +1,13 @@
+name = File.basename(__FILE__, ".gemspec")
+version = ["lib", Array.new(name.count("-")+1).join("/")].find do |dir|
+  break File.foreach(File.join(__dir__, dir, "#{name.tr('-', '/')}.rb")) do |line|
+    /^\s*VERSION\s*=\s*"(.*)"/ =~ line and break $1
+  end rescue nil
+end
+
 Gem::Specification.new do |spec|
-  spec.name          = "time"
-  spec.version       = "0.2.2"
+  spec.name          = name
+  spec.version       = version
   spec.authors       = ["Tanaka Akira"]
   spec.email         = ["[email protected]"]
 
diff --git a/lib/time.rb b/lib/time.rb
index 6a13212a49..c572e76d7d 100644
--- a/lib/time.rb
+++ b/lib/time.rb
@@ -25,6 +25,9 @@ require 'date'
 # :startdoc:
 
 class Time
+
+  VERSION = "0.2.2"
+
   class << Time
 
     #