1 files changed, 1 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index c453f151..f30380a3 100755
--- a/setup.py
+++ b/setup.py
@@ -83,7 +83,7 @@ setup(
     platforms=['any'],
     packages=packages,
     ext_modules=ext_modules,
-    install_requires=['aiodns>=1.0', 'pyasn1', 'pyasn1_modules'],
+    install_requires=['aiodns>=1.0', 'pyasn1', 'pyasn1_modules', 'typing_extensions; python_version < "3.8.0"'],
     extras_require={
         'XEP-0363': ['aiohttp'],
         'XEP-0444 compliance': ['emoji'],