diff --git a/requirements.txt b/requirements.txt
index f11eef1..b0953f3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,4 @@ Django==2.2.4
 django-anymail==6.1.0
 django-dbbackup==3.2.0
 mysqlclient==1.4.4
-reportlab==3.5.23
+reportlab==3.6.13