diff --git a/CHANGELOG.md b/CHANGELOG.md
index a5d623b..7b5b208 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 * Add support for Rails 7.0 and Ruby 3.1/3.2 (no changes required)
 * Add support for multiple files through a single attachment. [#76, #78]
+* Remove test files from the gem package.
 
 # 1.9.0
 
diff --git a/mail_form.gemspec b/mail_form.gemspec
index f1d71df..ed942da 100644
--- a/mail_form.gemspec
+++ b/mail_form.gemspec
@@ -21,7 +21,6 @@ Gem::Specification.new do |s|
   }
 
   s.files         = Dir["CHANGELOG", "MIT-LICENSE", "README.md", "lib/**/*"]
-  s.test_files    = Dir["test/**/*"]
   s.require_paths = ["lib"]
 
   s.required_ruby_version = '>= 2.5.0'