diff --git a/pypi/setup.py b/pypi/setup.py
index 911ec6e..dbebc73 100644
--- a/pypi/setup.py
+++ b/pypi/setup.py
@@ -138,7 +138,7 @@
     },
 
     install_requires=[
-        'Twisted==20.3.0',
+        'Twisted==23.8.0',
         'zope.interface',
         'cryptography',
         'pycryptodomex',