diff --git a/test-unit-ruby-core.gemspec b/test-unit-ruby-core.gemspec
index 665f5e9..dda0509 100644
--- a/test-unit-ruby-core.gemspec
+++ b/test-unit-ruby-core.gemspec
@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |spec|
   spec.name = "test-unit-ruby-core"
-  spec.version = "1.0.8"
+  spec.version = "1.0.9"
   spec.authors = ["Hiroshi SHIBATA", "Nobu Nakada"]
   spec.email = ["hsbt@ruby-lang.org", "nobu@ruby-lang.org"]