diff --git a/requirements.txt b/requirements.txt
index bac05be..3280bef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -66,7 +66,7 @@ python-dotenv==0.12.0
 pytz==2019.1
 pyxdg==0.25
 PyYAML==3.13
-reportlab==3.4.0
+reportlab==3.5.55
 requests==2.22.0
 requests-oauthlib==1.3.0
 requests-unixsocket==0.1.5