diff --git a/implementations/python/setup.py b/implementations/python/setup.py
index 2ebadce..5279f1c 100644
--- a/implementations/python/setup.py
+++ b/implementations/python/setup.py
@@ -5,7 +5,7 @@ except ImportError:
 
 setup(
     name="preserves",
-    version="0.0.3",
+    version="0.0.4",
     author="Tony Garnock-Jones",
     author_email="tonyg@leastfixedpoint.com",
     license="GNU General Public License v3 or later (GPLv3+)",