diff --git a/ext/pathname/pathname.gemspec b/ext/pathname/pathname.gemspec
index 317029afb1..5aaa8f8dd7 100644
--- a/ext/pathname/pathname.gemspec
+++ b/ext/pathname/pathname.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |spec|
   spec.name          = "pathname"
-  spec.version       = "0.1.0"
+  spec.version       = "0.2.0"
   spec.authors       = ["Tanaka Akira"]
   spec.email         = ["akr@fsij.org"]