diff --git a/Pipfile b/Pipfile
index ecda0ff..6f123a2 100644
--- a/Pipfile
+++ b/Pipfile
@@ -21,6 +21,7 @@ pyjwt = "==2.8.0"
 cryptography = "*"
 dataclasses-json = "*"
 cffi = ">=1.15.1"
+typing-extensions = "*"
 
 [scripts]
 tconnectsync = "python3 main.py"
diff --git a/Pipfile.lock b/Pipfile.lock
index 145d14e..e87bb1b 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "43ccd3f3cf27bb4b8b2c890cf45fd6af1f532ebc524a1db82700e8ad35625124"
+            "sha256": "6b5baa4e659a598014fa6602acb241be0ab59a63126a132652c305792a1a3752"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -590,6 +590,7 @@
                 "sha256:04e5ca0351e0f3f85c6853954072df659d0d13fac324d0072316b67d7794700d",
                 "sha256:1a7ead55c7e559dd4dee8856e3a88b41225abfe1ce8df57b7c13915fe121ffb8"
             ],
+            "index": "pypi",
             "markers": "python_version >= '3.8'",
             "version": "==4.12.2"
         },
diff --git a/setup.cfg b/setup.cfg
index 52ec9bf..44a4f90 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,9 +1,9 @@
 [metadata]
 name = tconnectsync
-version = 2.0.6
+version = 2.0.7
 author = James Woglom
 author_email = j@wogloms.net
-description = Syncs Tandem t:connect pump data to Nightscout for the t:slim X2
+description = Syncs Tandem Source (formerly t:connect) insulin pump data to Nightscout for the t:slim X2
 long_description = file: README.md
 long_description_content_type = text/markdown
 url = https://github.com/jwoglom/tconnectsync
@@ -34,6 +34,7 @@ install_requires =
     cryptography
     dataclasses-json
     cffi
+    typing-extensions
 
 [options.packages.find]
 where = .
diff --git a/tconnectsync/__init__.py b/tconnectsync/__init__.py
index 037b37e..8d70aae 100644
--- a/tconnectsync/__init__.py
+++ b/tconnectsync/__init__.py
@@ -4,6 +4,10 @@ import arrow
 import argparse
 import logging
 import pkg_resources
+import typing
+import typing_extensions
+if sys.version_info < (3, 8):
+    typing.Protocol = typing_extensions.Protocol
 
 from .api import TConnectApi
 from .process import process_time_range