diff --git a/python/web/requirements-dev.txt b/python/web/requirements-dev.txt
index b935690c..9d96eb59 100644
--- a/python/web/requirements-dev.txt
+++ b/python/web/requirements-dev.txt
@@ -2,3 +2,4 @@ pytest==7.1.3
 pytest-httpserver==1.0.6
 black==22.8.0
 flake8==5.0.4
+watchdog==2.1.9