diff --git a/moesifdjango/client_ip.py b/moesifdjango/client_ip.py
index 8f68cf9..70e8578 100644
--- a/moesifdjango/client_ip.py
+++ b/moesifdjango/client_ip.py
@@ -1,5 +1,6 @@
 import re
 import logging
+import ipaddress
 
 logger = logging.getLogger(__name__)
 
@@ -10,10 +11,12 @@ def __init__(self):
 
     @classmethod
     def is_ip(cls, value):
-        if not value is None:
-            ipv4 = r"^(?:(?:\d|[1-9]\d|1\d{2}|2[0-4]\d|25[0-5])\.){3}(?:\d|[1-9]\d|1\d{2}|2[0-4]\d|25[0-5])$"
-            ipv6 = r"^((?=.*::)(?!.*::.+::)(::)?([\dA-F]{1,4}:(:|\b)|){5}|([\dA-F]{1,4}:){6})((([\dA-F]{1,4}((?!\3)::|:\b|$))|(?!\2\3)){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i"
-            return re.match(ipv4, value) or re.match(ipv6, value)
+        # https://docs.python.org/3/library/ipaddress.html#ipaddress.ip_address
+        try:
+            ip = ipaddress.ip_address(value)
+            return True
+        except ValueError:
+            return False
 
     def get_client_ip_from_x_forwarded_for(self, value):
         try:
diff --git a/moesifdjango/middleware.py b/moesifdjango/middleware.py
index 3da47fb..0059e02 100644
--- a/moesifdjango/middleware.py
+++ b/moesifdjango/middleware.py
@@ -52,7 +52,7 @@ def __init__(self, get_response):
         self.client = MoesifAPIClient(self.middleware_settings.get('APPLICATION_ID'))
         self.logger_helper = LoggerHelper()
         Configuration.BASE_URI = self.logger_helper.get_configuration_uri(self.middleware_settings, 'BASE_URI', 'LOCAL_MOESIF_BASEURL')
-        Configuration.version = 'moesifdjango-python/2.3.10'
+        Configuration.version = 'moesifdjango-python/2.3.11'
         if settings.MOESIF_MIDDLEWARE.get('CAPTURE_OUTGOING_REQUESTS', False):
             try:
                 if self.DEBUG:
@@ -347,6 +347,6 @@ def update_companies_batch(self, companies_profiles):
 
     def update_subscription(self, subscription):
         self.subscription.update_subscription(subscription, self.api_client, self.DEBUG)
-    
+
     def update_subscriptions_batch(self, subscriptions):
         self.subscription.update_subscriptions_batch(subscriptions, self.api_client, self.DEBUG)
diff --git a/moesifdjango/middleware_pre19.py b/moesifdjango/middleware_pre19.py
index 83c7ff8..2aa5ae5 100644
--- a/moesifdjango/middleware_pre19.py
+++ b/moesifdjango/middleware_pre19.py
@@ -46,7 +46,7 @@ def __init__(self):
         self.client = MoesifAPIClient(self.middleware_settings.get('APPLICATION_ID'))
         self.logger_helper = LoggerHelper()
         Configuration.BASE_URI = self.logger_helper.get_configuration_uri(self.middleware_settings, 'BASE_URI', 'LOCAL_MOESIF_BASEURL')
-        Configuration.version = 'moesifdjango-python/2.3.10'
+        Configuration.version = 'moesifdjango-python/2.3.11'
         if settings.MOESIF_MIDDLEWARE.get('CAPTURE_OUTGOING_REQUESTS', False):
             try:
                 if self.DEBUG:
@@ -298,6 +298,6 @@ def update_companies_batch(self, companies_profiles):
 
     def update_subscription(self, subscription):
         self.subscription.update_subscription(subscription, self.api_client, self.DEBUG)
-    
+
     def update_subscriptions_batch(self, subscriptions):
         self.subscription.update_subscriptions_batch(subscriptions, self.api_client, self.DEBUG)
diff --git a/requirements.txt b/requirements.txt
index 013b528..03bd083 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,3 +7,4 @@ moesifapi>=1.5.3
 celery>=3.1.25
 moesifpythonrequest>=0.3.4
 apscheduler==3.10.4
+
diff --git a/setup.py b/setup.py
index 96b5a84..bd969e2 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@
     # Versions should comply with PEP440.  For a discussion on single-sourcing
     # the version across setup.py and the project code, see
     # https://packaging.python.org/en/latest/single_source_version.html
-    version='2.3.10',
+    version='2.3.11',
 
     description='Moesif Middleware for Python Django',
     long_description=long_description,
@@ -83,7 +83,8 @@
     # requirements files see:
     # https://packaging.python.org/en/latest/requirements.html
     install_requires=['requests', 'jsonpickle', 'python-dateutil', 'isodatetimehandler', 'moesifapi>=1.5.3',
-                      'moesifpythonrequest>=0.3.4', 'apscheduler', 'nose'],
+                      'moesifpythonrequest>=0.3.4', 'apscheduler', 'nose'
+                      ],
 
     # List additional groups of dependencies here (e.g. development
     # dependencies). You can install these using the following syntax,