diff --git a/requirements.txt b/requirements.txt
index ef9ed2c..4953f24 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ PyQt5-sip==4.19.18
 python-dateutil==2.8.0
 pytz==2019.2
 pywin32-ctypes==0.2.0
-reportlab==3.5.23
+reportlab==3.5.55
 six==1.12.0
 Unidecode==1.1.1
 xlrd==1.2.0