diff --git a/.circleci/config.yml b/.circleci/config.yml
index ce4cf6b..7cd5897 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -17,7 +17,7 @@ jobs:
 
   test-py3:
     docker:
-      - image: python:3.7
+      - image: python:3.8
     working_directory: ~/python-client
     steps:
       - checkout
@@ -28,7 +28,7 @@ jobs:
       - run:
           command: |
             tox -e lint
-            tox -e py37
+            tox -e py38
 
 workflows:
   version: 2
diff --git a/.gitignore b/.gitignore
index a9823c9..643bcde 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,6 @@
 .cache
 build
 dist
+.vscode/
+.python-version
+.idea/
diff --git a/changelog.rst b/changelog.rst
index 3d92504..659e3b4 100644
--- a/changelog.rst
+++ b/changelog.rst
@@ -1,6 +1,10 @@
 changelog
 =========
 
+0.7.0
+-----
+- Add ability to pass additional arguments when retrieving authenticated connection to instance.
+
 0.4.x
 -----
 - New stats endpoint that provides instance stats (for consumption by newrelic)
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 240350a..2fce43a 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -17,7 +17,7 @@
 
 import sphinx_rtd_theme
 
-from setup import __version__
+from objectrocket import __version__
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
diff --git a/objectrocket/__init__.py b/objectrocket/__init__.py
index 42e9110..ea0905a 100644
--- a/objectrocket/__init__.py
+++ b/objectrocket/__init__.py
@@ -1,3 +1,5 @@
 """Top level package with imported objects for convenience."""
 # Import this object for ease of access.
 from objectrocket.client import Client  # noqa
+
+__version__ = '0.7.0'
diff --git a/objectrocket/instances/mongodb.py b/objectrocket/instances/mongodb.py
index ebbc17c..5bc9489 100644
--- a/objectrocket/instances/mongodb.py
+++ b/objectrocket/instances/mongodb.py
@@ -8,6 +8,7 @@
 import requests
 
 from concurrent import futures
+from distutils.version import LooseVersion
 
 from objectrocket import bases
 from objectrocket import util
@@ -59,19 +60,21 @@ def compaction(self, request_compaction=False):
 
         return response.json()
 
-    def get_authenticated_connection(self, user, passwd, db='admin', ssl=True):
+    def get_authenticated_connection(self, user, passwd, db='admin', ssl=True, **kwargs):
         """Get an authenticated connection to this instance.
 
         :param str user: The username to use for authentication.
         :param str passwd: The password to use for authentication.
         :param str db: The name of the database to authenticate against. Defaults to ``'Admin'``.
         :param bool ssl: Use SSL/TLS if available for this instance. Defaults to ``True``.
+        :param kwargs: Additional keyword arguments to pass to MongoClient.
         :raises: :py:class:`pymongo.errors.OperationFailure` if authentication fails.
         """
         # Attempt to establish an authenticated connection.
         try:
-            connection = self.get_connection(ssl=ssl)
+            connection = self.get_connection(ssl=ssl, **kwargs)
             connection[db].authenticate(user, passwd)
+
             return connection
 
         # Catch exception here for logging, then just re-raise.
@@ -79,12 +82,12 @@ def get_authenticated_connection(self, user, passwd, db='admin', ssl=True):
             logger.exception(ex)
             raise
 
-    def get_connection(self, ssl=True):
+    def get_connection(self, ssl=True, **kwargs):
         """Get a live connection to this instance.
 
         :param bool ssl: Use SSL/TLS if available for this instance.
         """
-        return self._get_connection(ssl=ssl)
+        return self._get_connection(ssl=ssl, **kwargs)
 
     @util.token_auto_auth
     def shards(self, add_shard=False):
@@ -264,7 +267,7 @@ def set_stepdown_window(self, start, end, enabled=True, scheduled=True, weekly=T
     ######################
     # Private interface. #
     ######################
-    def _get_connection(self, ssl):
+    def _get_connection(self, ssl, **kwargs):
         """Get a live connection to this instance."""
 
         # Use SSL/TLS if requested and available.
@@ -272,8 +275,7 @@ def _get_connection(self, ssl):
         if ssl and self.ssl_connect_string:
             connect_string = self.ssl_connect_string
 
-        return pymongo.MongoClient(connect_string)
-
+        return pymongo.MongoClient(connect_string, **kwargs)
 
 class Shard(bases.Extensible):
     """An ObjectRocket MongoDB instance shard.
diff --git a/requirements/prod.txt b/requirements/prod.txt
index 8d8fe3f..df2d34d 100644
--- a/requirements/prod.txt
+++ b/requirements/prod.txt
@@ -1,5 +1,5 @@
 elasticsearch>=2.0.0
-pymongo==3.8.0
+pymongo==3.10.1
 redis>=2.0
 requests>=2.0.0
 six<2.0
diff --git a/setup.py b/setup.py
index 2ebfc0f..43c8764 100755
--- a/setup.py
+++ b/setup.py
@@ -3,8 +3,8 @@
 """Setup script for ObjectRocket Python client."""
 from setuptools import find_packages
 from setuptools import setup
+from objectrocket import __version__
 
-__version__ = '0.6.0'
 
 with open('README.md') as f:
     readme = f.read()
diff --git a/tox.ini b/tox.ini
index eecbff2..49b0655 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.1
-envlist = lint,py27,py37
+envlist = lint,py27,py38
 skipsdist = True
 
 [testenv]