diff --git a/worker_API/requirements.txt b/worker_API/requirements.txt
index 5e53a7c..cbc6204 100644
--- a/worker_API/requirements.txt
+++ b/worker_API/requirements.txt
@@ -2,7 +2,7 @@ nanolib==0.4.1
 requests==2.23.0
 Flask==1.1.1
 Flask-Cors==3.0.9
-waitress==1.4.3
+waitress==2.1.1
 ipaddress==1.0.23
 colorlog==4.1.0
 systemd-python==234