diff --git a/requirements.txt b/requirements.txt
index 68149b0..e939acf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -96,7 +96,7 @@ python-editor==1.0.3
 pytz==2019.2
 pyxdg==0.25
 PyYAML==3.12
-reportlab==3.4.0
+reportlab==3.5.55
 requests==2.22.0
 requests-oauthlib==1.2.0
 requests-unixsocket==0.1.5