diff --git a/examples/falcon_mongoengine/requirements.txt b/examples/falcon_mongoengine/requirements.txt
index a30ad6d..deea45e 100644
--- a/examples/falcon_mongoengine/requirements.txt
+++ b/examples/falcon_mongoengine/requirements.txt
@@ -1,6 +1,6 @@
 falcon==2.0.0
 mongoengine==0.17.0
 graphene-mongo
-waitress==2.1.2
+waitress==3.0.1
 pytest==4.6.3
 mongomock==3.16.0
\ No newline at end of file