diff --git a/requirements.txt b/requirements.txt
index 1b1a9ff0..f4780417 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ pyusb==1.0.0
 PyYAML==3.12 ; python_version < '3.7'
 PyYAML==3.13 ; python_version >= '3.7'
 qrcode==5.3
-reportlab==3.3.0
+reportlab==3.5.55
 requests==2.20.0
 suds-jurko==0.6
 vatnumber==1.2