diff --git a/CHANGELOG b/CHANGELOG
new file mode 100644
index 0000000..173c7ed
--- /dev/null
+++ b/CHANGELOG
@@ -0,0 +1,7 @@
+= Ruby Holidays Gem CHANGELOG
+  
+== 0.9.1
+* au.yaml was being included incorrectly in US holiday definitions. Thanks to Glenn Vanderburg (http://vanderburg.org/) for the fix.
+
+== 0.9.0
+* Initial release.
\ No newline at end of file
diff --git a/rakefile.rb b/rakefile.rb
index 026f622..243b035 100644
--- a/rakefile.rb
+++ b/rakefile.rb
@@ -39,6 +39,7 @@ Rake::RDocTask.new(:rdoc) do |rdoc|
   rdoc.rdoc_files.include('data/SYNTAX')
   rdoc.rdoc_files.include('lib/holidays/MANIFEST')
   rdoc.rdoc_files.include('REFERENCES')
+  rdoc.rdoc_files.include('CHANGELOG')
   rdoc.rdoc_files.include('LICENSE')
   rdoc.rdoc_files.include('lib/*.rb')
 end
@@ -56,7 +57,7 @@ spec = Gem::Specification.new do |s|
   s.files = FileList["{lib}/**/*", "{data}/**/*"].to_a
   s.test_files = FileList['test/defs/test*.rb'].exclude('test_helper.rb')
   s.has_rdoc = true
-  s.extra_rdoc_files = ['README', 'data/SYNTAX', 'lib/holidays/MANIFEST', 'REFERENCES', 'LICENSE']
+  s.extra_rdoc_files = ['README', 'data/SYNTAX', 'lib/holidays/MANIFEST', 'REFERENCES', 'CHANGELOG', 'LICENSE']
   s.rdoc_options << '--all' << '--inline-source' << '--line-numbers' << '--charset' << 'utf-8'
 end