diff --git a/CHANGES b/CHANGES.txt
similarity index 100%
rename from CHANGES
rename to CHANGES.txt
diff --git a/MANIFEST.in b/MANIFEST.in
index 510b816..8805702 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,4 @@
-include CHANGES
+include CHANGES.txt
 include README.markdown
-include TODO
+include TODO.txt
 include ez_setup.py
diff --git a/TODO b/TODO.txt
similarity index 100%
rename from TODO
rename to TODO.txt
diff --git a/setup.py b/setup.py
index f215b44..8cc5d43 100644
--- a/setup.py
+++ b/setup.py
@@ -52,9 +52,9 @@ setup(
     packages = find_packages(os.path.join(here, 'src')),
     # put data files in egg 'doc' dir
     data_files=[ ('doc', [
-        'CHANGES',
+        'CHANGES.txt',
         'README.markdown',
-        'TODO',
+        'TODO.txt',
         ]
     )],
     install_requires = [],