diff --git a/requirements.txt b/requirements.txt
index 2bdc0db..608d9bc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,5 +14,5 @@ psycopg2==2.9.3
     # via -r requirements.in
 pytz==2019.3
     # via django
-reportlab==3.6.10
+reportlab==4.0.4
     # via -r requirements.in