diff --git a/.travis.yml b/.travis.yml
index 149837d..fc5eb45 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,8 @@
 language: ruby
 rvm:
-  - 2.2.0
+  - 2.3.4
 before_install:
+  - gem update --system
   - gem install bundler
 deploy:
   provider: rubygems
diff --git a/html2text.gemspec b/html2text.gemspec
index bb5f474..8b4bf57 100644
--- a/html2text.gemspec
+++ b/html2text.gemspec
@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
   s.description = "A Ruby component to convert HTML into a plain text format."
   s.license     = "MIT"
 
-  s.files = Dir["lib/**/*", "LICENSE.md", "README.md"]
+  s.files = Dir["lib/**/*", "LICENSE.md", "README.md", "CHANGELOG.md"]
   s.test_files = Dir["spec/**/*"]
 
   s.add_dependency "nokogiri", "~> 1.8.5"