diff --git a/Makefile b/Makefile
index 841d261..8cb2be5 100644
--- a/Makefile
+++ b/Makefile
@@ -27,6 +27,8 @@ install-doc: doc
 	install -m 644 doc/git-remote-hg.1 $(D)$(mandir)/git-remote-hg.1
 
 pypi:
+	version=`git describe --tags ${REV}` && \
+		sed -i "s/version = .*/version = '$$version'/" setup.py
 	-rm -rf dist build
 	python setup.py sdist bdist_wheel
 
diff --git a/setup.py b/setup.py
index 26afd17..94b5bea 100644
--- a/setup.py
+++ b/setup.py
@@ -5,15 +5,8 @@ import subprocess
 import sys
 import os
 
-# derive version from git repo
-cmd = ["git", "describe", "--tags"]
-commit = os.environ.get('REV', None)
-if commit:
-  cmd.append(commit)
-process = subprocess.Popen(cmd, stdout=subprocess.PIPE)
-version = process.communicate()[0].strip()
 # strip leading v
-version = version[1:]
+version = 'v1.0.0'
 
 # check for released version
 assert (len(version) > 0)