diff --git a/cterasdk/__init__.py b/cterasdk/__init__.py
index e76d253f..b3a87936 100644
--- a/cterasdk/__init__.py
+++ b/cterasdk/__init__.py
@@ -1,6 +1,7 @@
 # pylint: disable=wrong-import-position
 import cterasdk.settings  # noqa: E402, F401
 import cterasdk.exceptions  # noqa: E402, F401
+from .version import __version__  # noqa: E402, F401
 
 from .common import Object, PolicyRule  # noqa: E402, F401
 from .convert import fromjsonstr, tojsonstr, fromxmlstr, toxmlstr  # noqa: E402, F401
diff --git a/cterasdk/clients/base.py b/cterasdk/clients/base.py
index 95352d0c..4a27ca3e 100644
--- a/cterasdk/clients/base.py
+++ b/cterasdk/clients/base.py
@@ -1,8 +1,11 @@
 import logging
+import platform
 import threading
+import aiohttp
 from . import async_requests, errors
 from .settings import ClientSessionSettings, TraceSettings
 from ..common import utils
+from ..version import __version__
 
 
 logger = logging.getLogger('cterasdk.http')
@@ -27,7 +30,13 @@ class PersistentHeaders:
     """Headers to include in every request"""
 
     def __init__(self):
-        self._headers = {}
+        self._headers = {
+            'User-Agent': (
+                f"CTERA Python SDK/{__version__}; aiohttp/{aiohttp.__version__};"
+                f" ({' '.join([platform.system(), str(platform.release())])}; {platform.machine()};"
+                f" Python {'.'.join(platform.python_version_tuple())});"
+            )
+        }
 
     @property
     def all(self):
diff --git a/cterasdk/lib/__init__.py b/cterasdk/lib/__init__.py
index 8266bc02..88982a8a 100644
--- a/cterasdk/lib/__init__.py
+++ b/cterasdk/lib/__init__.py
@@ -1,7 +1,6 @@
 from .cmd import Command  # noqa: E402, F401
 from .consent import ask  # noqa: E402, F401
 from .tempfile import TempfileServices  # noqa: E402, F401
-from .version import Version  # noqa: E402, F401
 from .iterator import QueryIterator, BaseResponse, \
     DefaultResponse, KeyValueQueryIterator, QueryLogsResponse, CursorResponse  # noqa: E402, F401
 from .tracker import track, ErrorStatus  # noqa: E402, F401
diff --git a/cterasdk/lib/platform.py b/cterasdk/lib/platform.py
deleted file mode 100644
index 846fd8f6..00000000
--- a/cterasdk/lib/platform.py
+++ /dev/null
@@ -1,31 +0,0 @@
-import platform
-
-
-class Platform:  # pylint: disable=unused-private-member
-
-    __instance = None
-
-    @staticmethod
-    def instance():
-        if Platform.__instance is None:
-            Platform()
-        return Platform.__instance
-
-    def __init__(self):
-        if Platform.__instance is not None:
-            raise Exception("Platform is a singleton class.")
-        self.hostname = platform.node()
-        self.operating_system = platform.system()
-        self.release = platform.release()
-        self.machine = platform.machine()
-        self.python_major, self.python_minor, self.python_micro = platform.python_version_tuple()
-        Platform.__instance = self
-
-    def arch(self):
-        return self.machine
-
-    def os(self):
-        return ' '.join([self.operating_system, str(self.release)])
-
-    def python_version(self):
-        return '.'.join([self.python_major, self.python_minor, self.python_micro])
diff --git a/cterasdk/lib/version.py b/cterasdk/lib/version.py
deleted file mode 100644
index e3edf02b..00000000
--- a/cterasdk/lib/version.py
+++ /dev/null
@@ -1,28 +0,0 @@
-from .platform import Platform
-
-
-class Version:  # pylint: disable=unused-private-member
-
-    __instance = None
-
-    @staticmethod
-    def instance():
-        if Version.__instance is None:
-            Version()
-        return Version.__instance
-
-    def __init__(self):
-        if Version.__instance is not None:
-            raise Exception("Version is a singleton class.")
-
-        self.product = 'Chopin'
-        self.product_version = '3.0'
-        self.system = Platform.instance().os()
-        self.machine = Platform.instance().arch()
-        self.header = \
-            f"{self.product}/{self.product_version} ({self.system}; {self.machine}) Python-urllib/{Platform.instance().python_version()}"
-        Version.__instance = self
-
-    def as_header(self):
-
-        return self.header
diff --git a/cterasdk/version.py b/cterasdk/version.py
new file mode 100644
index 00000000..06146afc
--- /dev/null
+++ b/cterasdk/version.py
@@ -0,0 +1 @@
+__version__ = '2.20.20'
diff --git a/docs/source/UserGuides/Miscellaneous/Changelog.rst b/docs/source/UserGuides/Miscellaneous/Changelog.rst
index 6e3e2ddf..f2f4c245 100644
--- a/docs/source/UserGuides/Miscellaneous/Changelog.rst
+++ b/docs/source/UserGuides/Miscellaneous/Changelog.rst
@@ -1,6 +1,15 @@
 Changelog
 =========
 
+2.20.20
+-------
+
+Improvements
+^^^^^^^^^^^^
+
+* Add unique User-Agent header to all requests made by the CTERA Python SDK
+
+
 2.20.19
 -------