diff --git a/pybis/src/python/CHANGELOG.md b/pybis/src/python/CHANGELOG.md
index 8ad1b6e1b1169b64a4c3450371c386753b6b74c3..ae446bc6e9887ca3b5d3aae0c6efb2c551b8c50b 100644
--- a/pybis/src/python/CHANGELOG.md
+++ b/pybis/src/python/CHANGELOG.md
@@ -1,7 +1,12 @@
+## Changes with pybis-1.33.0
+
+- add support for personal access tokens (PAT)
+- refactor existing pyBIS code
+
 ## Changes with pybis-1.32.1
 
 - fixing the issue with incorrectly named reference to DataSetKind.PHYSICAL
- 
+
 ## Changes with pybis-1.32.0
 
 - throw error when invalid token is assigned
diff --git a/pybis/src/python/pybis/__init__.py b/pybis/src/python/pybis/__init__.py
index 1b966b2dce92b183b8e998fd4d5586fb53f75174..12fc0c1b7c76b2dea02ad3b5af449ec280519b9e 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__ = "1.32.1"
+__version__ = "1.33.0"
 
 from . import pybis
 from .pybis import DataSet
diff --git a/pybis/src/python/setup.py b/pybis/src/python/setup.py
index 7a4d25f48e6a98f22a8aad1bd868990a47de101c..23d7bab0c45df55e23524f2dcff7fd93707d8e67 100644
--- a/pybis/src/python/setup.py
+++ b/pybis/src/python/setup.py
@@ -13,7 +13,7 @@ with open("README.md", "r", encoding="utf-8") as fh:
 
 setup(
     name="PyBIS",
-    version="1.32.1",
+    version="1.33.0",
     author="Swen Vermeul • ID SIS • ETH Zürich",
     author_email="swen@ethz.ch",
     description="openBIS connection and interaction, optimized for using with Jupyter",