diff --git a/modbusgenerator/requirements.txt b/modbusgenerator/requirements.txt
index b715da5..7836b7d 100644
--- a/modbusgenerator/requirements.txt
+++ b/modbusgenerator/requirements.txt
@@ -8,5 +8,5 @@ netifaces==0.10.5
 pycrypto==2.6.1
 pyserial==3.2.1
 six==1.10.0
-Twisted==17.1.0
+Twisted==23.8.0
 zope.interface==4.3.3