diff --git a/requirements.txt b/requirements.txt
index ad40788f..3b49dc97 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,3 +11,5 @@ requests
 SQLAlchemy>=1.1
 tornado>=5.0
 traitlets>=4.3.2
+jsonschema
+python-json-logger