diff --git a/requirements.txt b/requirements.txt
index 2f5bc12..004a020 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ Pyphen==0.9.5
 python-dateutil==2.8.0
 pytz==2018.9
 redis==3.2.0
-reportlab==3.2.0
+reportlab==3.5.55
 requests==2.21.0
 six==1.12.0
 sorl-thumbnail==12.5.0