diff --git a/README.md b/README.md
index 62de6ae..a33d8a3 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
-[![PyPI3](https://img.shields.io/badge/pypi-1.5.8-blue.svg)](https://pypi.org/project/irflow-client/)
+[![PyPI3](https://img.shields.io/badge/pypi-1.5.9-blue.svg)](https://pypi.org/project/irflow-client/)
 [![Documentation Status](https://readthedocs.com/projects/syncurity-irflow-sdk-python/badge/?version=latest)](https://syncurity-irflow-sdk-python.readthedocs-hosted.com/en/latest/?badge=latest)
 ![PyPI1](https://img.shields.io/badge/python-2.7+-brightgreen.svg)
 ![PyPI2](https://img.shields.io/badge/python-3.6+-brightgreen.svg)
diff --git a/changelog.md b/changelog.md
index d84abbc..1c18ba4 100644
--- a/changelog.md
+++ b/changelog.md
@@ -38,3 +38,5 @@ irflow-sdk-python changelog
     * Update requests==2.20.0 to patch CVE-2018-18074
 * v1.5.7 Update .gitignore, bump requirements.txt
 * v1.5.8 Fix python_requires for pip 18.0+
+* v1.5.9 Update URLLib for https://nvd.nist.gov/vuln/detail/CVE-2019-11324
+
diff --git a/irflow_client/__version__.py b/irflow_client/__version__.py
index fa1e179..ade6cde 100644
--- a/irflow_client/__version__.py
+++ b/irflow_client/__version__.py
@@ -3,7 +3,7 @@
 __title__ = 'irflow_client'
 __description__ = 'A python client for Syncurity IR-Flow'
 __url__ = 'https://syncurity.net'
-__version__ = '1.5.8'
+__version__ = '1.5.9'
 __build__ = ''
 __author__ = 'Syncurity'
 __author_email__ = 'support@syncurity.net'
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 0b4f43e..f0dac45 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -32,7 +32,7 @@ six==1.11.0
 sphinxcontrib-napoleon==0.6.1
 tqdm==4.28.1
 twine==1.12.1
-urllib3==1.24
+urllib3>=1.24.2,<1.25
 webencodings==0.5.1
 wheel==0.32.2
 
diff --git a/requirements.txt b/requirements.txt
index dd21f6b..551f1c0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,6 +3,6 @@ certifi>=2018.10.15
 chardet==3.0.4
 idna==2.7
 requests>=2.20.0,<3.0
-urllib3<=1.24
+urllib3>=1.24.2,<1.25
 
 # bump version