diff --git a/apps/swh-lister/requirements.txt b/apps/swh-lister/requirements.txt
index 08053b3c5edf49856c9761c2abe4ebd50a393095..572630c1fcaed63e61aedaf456735bc7b9f67908 100644
--- a/apps/swh-lister/requirements.txt
+++ b/apps/swh-lister/requirements.txt
@@ -1,3 +1,5 @@
 swh-lister
+python-json-logger
+