diff --git a/requirements.txt b/requirements.txt
index efb8f14..8afb2fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,7 +40,7 @@ six==1.11.0
 testtools==2.3.0
 toolz==0.9.0
 traceback2==1.4.0
-twisted[tls]==18.4.0
+twisted[tls]==18.7.0
 txspinneret==0.1.3
 unittest2==1.1.0
 zope.interface==4.5.0