diff --git a/openface/demos/web/requirements.txt b/openface/demos/web/requirements.txt
index 3f3ba31a..27a008a4 100644
--- a/openface/demos/web/requirements.txt
+++ b/openface/demos/web/requirements.txt
@@ -1,6 +1,6 @@
 autobahn == 0.10.4
 imagehash == 1.0
-twisted == 15.2.1
+twisted == 20.3.0
 scipy >= 0.13, < 0.17
 scikit-learn >= 0.17, < 0.18
 protobuf >= 2.5, < 2.7