diff --git a/vaporware.gemspec b/vaporware.gemspec
index a7f0ada..4dbb103 100644
--- a/vaporware.gemspec
+++ b/vaporware.gemspec
@@ -12,6 +12,7 @@ Gem::Specification.new do |spec|
   spec.description = "Vaporware is the vaporware."
   spec.license = "MIT"
   spec.required_ruby_version = ">= 3.2.0"
+  spec.homepage = "https://github.com/katsyoshi/vaporware"
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.