diff --git a/requirements.txt b/requirements.txt
index b7fdc6d..8c2cef2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -66,7 +66,7 @@ pyxdg==0.25
 PyYAML==3.13
 pyzmq==17.1.0
 qtconsole==4.3.1
-reportlab==3.3.0
+reportlab==3.5.55
 requests==2.19.1
 retrying==1.3.3
 scipy==1.1.0