diff --git a/api-openbis-python3-pybis/src/python/CHANGELOG.md b/api-openbis-python3-pybis/src/python/CHANGELOG.md
index a39d46450b1e446a32537891bf617bee939dab37..ba0b76116abdd1e3c372ee5b2a5eebe13034f5c3 100644
--- a/api-openbis-python3-pybis/src/python/CHANGELOG.md
+++ b/api-openbis-python3-pybis/src/python/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## Changes with pybis-1.35.4
 
-- Changes to internal implementation of data set download/upload to use OpenBIS V3 API 
+- Changes to internal implementation of data set download/upload to use OpenBIS V3 API
+- Added TIMESTAMP property reformatting to fit formats supported by OpenBIS
 
 ## Changes with pybis-1.35.3
 
diff --git a/api-openbis-python3-pybis/src/python/pybis/__init__.py b/api-openbis-python3-pybis/src/python/pybis/__init__.py
index 3956728e2d33bb3d9984d8f6eea4b83b3c98dbe3..1c663c6235de3d77311ab88baab9f6571329d912 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__ = "1.35.4rc1"
+__version__ = "1.35.4rc2"
 
 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 0ed57517007935ead08457c7520c1f6eced32020..33566edd7c598970b6f9c92d939c5b20ade4221f 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 = 1.35.4rc1
+version = 1.35.4rc2
 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 13bf0a77a67615bfc0e29cc12a2f1389305e7b51..4acf36d6494403aaee559792686a8d3c2383c2f7 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="1.35.4rc1",
+    version="1.35.4rc2",
     author="ID SIS • ETH Zürich",
     author_email="openbis-support@id.ethz.ch",
     description="openBIS connection and interaction, optimized for using with Jupyter",