diff --git a/MANIFEST.in b/MANIFEST.in
index 14e1604..196ff1f 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,4 @@
 recursive-include tests *.py *.crt *.key
 recursive-include doc *.rst *.txt *.py Makefile *.png
 recursive-include examples *.py *.html
-include MANIFEST.in README.twisted NEWS AUTHORS LICENSE README
+include MANIFEST.in README.twisted NEWS AUTHORS LICENSE README.rst
diff --git a/README b/README.rst
similarity index 100%
rename from README
rename to README.rst
diff --git a/setup.py b/setup.py
index 9905acd..ec2b22a 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@ setup(
     long_description=open(
         path.join(
             path.dirname(__file__),
-            'README'
+            'README.rst'
         )
     ).read(),
     test_suite='nose.collector',