diff --git a/uhepp_org/requirements.txt b/uhepp_org/requirements.txt
index 5e8da88bc3f05b88bc6c084ad040ff4bd7f50ebf..bdacb8808b9bc1b8a59979e6b96ae50c2358c15b 100644
--- a/uhepp_org/requirements.txt
+++ b/uhepp_org/requirements.txt
@@ -5,3 +5,4 @@ django-pygmentify
 django-inline-svg
 psycopg2
 django-crispy-forms
+jsonschema