diff --git a/lib/ruby2_keywords.gemspec b/lib/ruby2_keywords.gemspec
index e629db9612..14c255ec54 100644
--- a/lib/ruby2_keywords.gemspec
+++ b/lib/ruby2_keywords.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name = "ruby2_keywords"
-  s.version = "999999999999999999999999999"
+  s.version = "1.0.0"
   s.summary = "Shim library for Module#ruby2_keywords"
   s.homepage = "https://github.com/ruby/ruby2_keywords"
   s.licenses = ["Ruby", "BSD-2-Clause"]