diff --git a/requirements.txt b/requirements.txt
index f15f7fd..d870f60 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ python-debian==0.1.34
 pytz==2018.9
 pyxdg==0.26
 PyYAML==4.2b1
-reportlab==3.5.18
+reportlab==3.5.55
 requests==2.21.0
 requests-unixsocket==0.1.5
 SecretStorage==2.3.1