diff --git a/api-openbis-python3-pybis/src/python/CHANGELOG.md b/api-openbis-python3-pybis/src/python/CHANGELOG.md
index 4034158f0780a883f3102600bce1942dd5a20b1d..1d609f0489318d4a9e1bfaee6a68cec674e04a61 100644
--- a/api-openbis-python3-pybis/src/python/CHANGELOG.md
+++ b/api-openbis-python3-pybis/src/python/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Changes with pybis-1.35.6
+
+- Added metaData attribute handling for sample, sampleType, experiment, experimentType, dataset, datasetType
+
 ## Changes with pybis-1.35.5
 
 - Implementation of array-type properties handling
diff --git a/api-openbis-python3-pybis/src/python/pybis/__init__.py b/api-openbis-python3-pybis/src/python/pybis/__init__.py
index 3888a61a133512e151bf141bc7dcbe8c36408df6..b065fb1d23c4a56eca2012798edd2a0e8e6eed28 100644
--- a/api-openbis-python3-pybis/src/python/pybis/__init__.py
+++ b/api-openbis-python3-pybis/src/python/pybis/__init__.py
@@ -15,7 +15,7 @@
 name = "pybis"
 __author__ = "ID SIS • ETH Zürich"
 __email__ = "openbis-support@id.ethz.ch"
-__version__ = "1.35.5"
+__version__ = "1.35.6rc1"
 
 from . import pybis
 from .pybis import DataSet
diff --git a/api-openbis-python3-pybis/src/python/setup.cfg b/api-openbis-python3-pybis/src/python/setup.cfg
index 436acf9f27a51d0e4fb476dd20915cc28a1c107b..ca77a8a16e7a2fbaf9409a022e58e2c06121888b 100644
--- a/api-openbis-python3-pybis/src/python/setup.cfg
+++ b/api-openbis-python3-pybis/src/python/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = PyBIS
-version = 1.35.5
+version = 1.35.6rc1
 author = ID SIS • ETH Zürich
 author_email = openbis-support@id.ethz.ch
 license = Apache Software License Version 2.0
diff --git a/api-openbis-python3-pybis/src/python/setup.py b/api-openbis-python3-pybis/src/python/setup.py
index 28cb377c21cd311f451d2678035a8a14bc391ac9..fb31b656c0ac7bc0ebd4fa63a3cdacf93098dd89 100644
--- a/api-openbis-python3-pybis/src/python/setup.py
+++ b/api-openbis-python3-pybis/src/python/setup.py
@@ -26,7 +26,7 @@ with open("README.md", "r", encoding="utf-8") as fh:
 
 setup(
     name="PyBIS",
-    version="1.35.5",
+    version="1.35.6rc1",
     author="ID SIS • ETH Zürich",
     author_email="openbis-support@id.ethz.ch",
     description="openBIS connection and interaction, optimized for using with Jupyter",