diff --git a/requirements.txt b/requirements.txt
index 0003424..3d495d6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -106,7 +106,7 @@ testpath==0.4.4
 tornado==6.0.4
 traitlets==4.3.3
 urllib3==1.25.8
-waitress==1.4.3
+waitress==2.1.1
 wandb==0.8.30
 watchdog==0.10.2
 wcwidth==0.1.9