diff --git a/apps/swh-storage/requirements.txt b/apps/swh-storage/requirements.txt
index 9efdb838ed3b34a7783670f1fb55964c4a8b911b..693424fc71aad83c1262cb51adc020b9de0d3347 100644
--- a/apps/swh-storage/requirements.txt
+++ b/apps/swh-storage/requirements.txt
@@ -1,2 +1,3 @@
 swh.storage
 swh.objstorage[azure,libcloud]
+python-json-logger