diff --git a/requirements.txt b/requirements.txt
index 904fa8d..72e0b12 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ tweepy==3.7.0
 metadata_parser==0.9.20
 hug==2.4.0
 hug-middleware-cors==1.0.0
-waitress==1.4.1
+waitress==2.1.1
 SpeechRecognition
 pyjwt==1.6.4
 SQLAlchemy>=1.3.0