diff --git a/setup.py b/setup.py
index 6e0bacd2..cd012c56 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
     description='COVESA Vehicle Signal Specification tooling.',
     long_description=long_description,
     long_description_content_type='text/markdown',
-    version='4.1.dev0',
+    version='5.0.dev0',
     url='https://github.com/COVESA/vss-tools',
     license='Mozilla Public License 2.0',
     packages=find_packages(exclude=('tests', 'contrib')),