diff --git a/README.md b/README.md
index 67f5e83..352faa2 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # OWLAPY
 [![Coverage](https://img.shields.io/badge/coverage-78%25-green)](https://dice-group.github.io/owlapy/usage/further_resources.html#coverage-report)
-[![Pypi](https://img.shields.io/badge/pypi-1.3.0-blue)](https://pypi.org/project/owlapy/1.3.0/)
-[![Docs](https://img.shields.io/badge/documentation-1.3.0-yellow)](https://dice-group.github.io/owlapy/usage/main.html)
+[![Pypi](https://img.shields.io/badge/pypi-1.3.1-blue)](https://pypi.org/project/owlapy/1.3.1/)
+[![Docs](https://img.shields.io/badge/documentation-1.3.1-yellow)](https://dice-group.github.io/owlapy/usage/main.html)
 
 ![OWLAPY](docs/_static/images/owlapy_logo.png)
 
diff --git a/docs/conf.py b/docs/conf.py
index dedc20f..2c38198 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -13,7 +13,7 @@
 
 project = 'OWLAPY'
 author = 'Ontolearn Team'
-release = '1.3.0'
+release = '1.3.1'
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
diff --git a/docs/usage/main.md b/docs/usage/main.md
index 7692a88..2cf8cac 100644
--- a/docs/usage/main.md
+++ b/docs/usage/main.md
@@ -1,6 +1,6 @@
 # About owlapy
 
-**Version:** owlapy 1.3.0
+**Version:** owlapy 1.3.1
 
 **GitHub repository:** [https://github.com/dice-group/owlapy](https://github.com/dice-group/owlapy)
 
diff --git a/setup.py b/setup.py
index b5e9671..14e869c 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 setup(
     name="owlapy",
     description="OWLAPY is a Python Framework for creating and manipulating OWL Ontologies.",
-    version="1.3.0",
+    version="1.3.1",
     packages=find_packages(),
     include_package_data=True,
     package_data={'owlapy': ['jar_dependencies/*.jar'],},