diff --git a/pybis/src/python/CHANGELOG.md b/pybis/src/python/CHANGELOG.md
index ad12da3ae8a7a2b4a6968fb42632d379ec51eeb8..597a731c2b6895f7655461199a43230a55e6fafa 100644
--- a/pybis/src/python/CHANGELOG.md
+++ b/pybis/src/python/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Changes with pybis-1.9.6
+
+* bugfix when vocabulary attribute was not identical to the code of the aassigned property type
+
 ## Changes with pybis-1.9.5
 
 * bugfixes: get_property_assignments() method fixed for dataSet-, experiment- and materialTypes
diff --git a/pybis/src/python/pybis/__init__.py b/pybis/src/python/pybis/__init__.py
index fe05a7f685ad404c713b55717c03ec8b42a0f415..a2a7d37cd340aa5eec1883940d0d18809a1a588e 100644
--- a/pybis/src/python/pybis/__init__.py
+++ b/pybis/src/python/pybis/__init__.py
@@ -1,7 +1,7 @@
 name = 'pybis'
 __author__ = 'Swen Vermeul'
 __email__ = 'swen@ethz.ch'
-__version__ = '1.9.5'
+__version__ = '1.9.6'
 
 from . import pybis
 from .pybis import Openbis
diff --git a/pybis/src/python/setup.py b/pybis/src/python/setup.py
index c812ba543b8669b7a5df6d2ca88324b51b3d62a4..ae7d0e91fdca46384c585ed70a910da1754eea9c 100644
--- a/pybis/src/python/setup.py
+++ b/pybis/src/python/setup.py
@@ -11,7 +11,7 @@ with open("README.md", "r", encoding="utf-8") as fh:
 
 setup(
     name='PyBIS',
-    version= '1.9.5',
+    version= '1.9.6',
     author='Swen Vermeul • ID SIS • ETH Zürich',
     author_email='swen@ethz.ch',
     description='openBIS connection and interaction, optimized for using with Jupyter',