diff --git a/crawler/requirements.txt b/crawler/requirements.txt
index 018a0d9..d2e8745 100644
--- a/crawler/requirements.txt
+++ b/crawler/requirements.txt
@@ -13,5 +13,5 @@ requests==2.25.0
 six==1.16.0
 soupsieve==2.3.1
 urllib3==1.26.8
-waitress==2.0.0
+waitress==2.1.1
 Werkzeug==2.0.2
\ No newline at end of file