diff --git a/apps/swh-loader-bzr/requirements.txt b/apps/swh-loader-bzr/requirements.txt
index b10098cda06699a187003ec11affe7a66e47898d..f9d9c754fc8e323552152131369a871b8a069226 100644
--- a/apps/swh-loader-bzr/requirements.txt
+++ b/apps/swh-loader-bzr/requirements.txt
@@ -1,2 +1,3 @@
 swh-loader-bzr
+python-json-logger