--- a/tsort.gemspec
+++ b/tsort.gemspec
@@ -1,13 +1,8 @@
 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          = name
-  spec.version       = version
+  spec.version       = "0.2.0"
   spec.authors       = ["Tanaka Akira"]
   spec.email         = ["akr@fsij.org"]