diff --git a/detection/realProjectTests/projects/flaskExampleApp/requirements/dev.txt b/detection/realProjectTests/projects/flaskExampleApp/requirements/dev.txt
index 621b3d3..11641d1 100644
--- a/detection/realProjectTests/projects/flaskExampleApp/requirements/dev.txt
+++ b/detection/realProjectTests/projects/flaskExampleApp/requirements/dev.txt
@@ -7,3 +7,4 @@ WebTest
 factory-boy
 # For python 3
 Faker
+waitress>=2.1.1 # not directly required, pinned by Snyk to avoid a vulnerability