diff --git a/README-DEV.md b/README-DEV.md
index 40a237a..e490f49 100644
--- a/README-DEV.md
+++ b/README-DEV.md
@@ -10,8 +10,7 @@ make test
 
 Releasing
 ---------
-* Update `ocrd-tool.json` version
-* Update `setup.py` version
+* Update `ocrd-tool.json` version (the `setup.py` version is read from this)
 * `git commit -m 'v<version>'`
 * `git tag -m 'v<version>' 'v<version>'`
 * `git push --tags`
diff --git a/setup.py b/setup.py
index 2a98d62..db1926d 100644
--- a/setup.py
+++ b/setup.py
@@ -1,11 +1,15 @@
 # -*- coding: utf-8 -*-
 from pathlib import Path
+import json
 
 from setuptools import setup, find_packages
 
+with open('./ocrd-tool.json', 'r') as f:
+    version = json.load(f)['version']
+
 setup(
     name='ocrd_calamari',
-    version='1.0.1',
+    version=version,
     description='Calamari bindings',
     long_description=Path('README.md').read_text(),
     long_description_content_type='text/markdown',