diff --git a/requirements.txt b/requirements.txt
index 956998b..b0d1acc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ rsa==3.4.2
 six==1.11.0
 social-auth-app-django==2.0.0
 social-auth-core==1.5.0
-Twisted==17.9.0
+Twisted==21.2.0
 txaio==2.8.2
 urllib3==1.22
 whitenoise==3.3.1