diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index ead10a9..e2493dd 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,20 @@
 Changelog
 ============
 
+0.5.3 - Sulfur Io  (2024-07-20)
+---------------------------------------------
+
+**Added**
+
+**Fixed**
+
+* [#43](https://github.com/qbic-pipelines/querynator/issues/43): added disease ontology file to the package
+
+**Dependencies**
+
+**Deprecated**
+
+
 0.5.2 - Sulfur Io  (2024-07-05)
 ---------------------------------------------
 
diff --git a/MANIFEST.in b/MANIFEST.in
index 5880871..fad39b0 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -4,6 +4,7 @@ include LICENSE
 include README.rst
 include requirements.txt
 include **/**/cancertypes.js
+include querynator/helper_functions/doid.obo
 
 recursive-include tests *
 recursive-exclude * __pycache__
diff --git a/setup.py b/setup.py
index db5fd53..40a94d2 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 
 from setuptools import find_packages, setup
 
-VERSION = "0.5.2"
+VERSION = "0.5.3"
 
 with open("README.rst") as readme_file:
     readme = readme_file.read()