diff --git a/requirements.txt b/requirements.txt
index 9c366ee..d54a76a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -109,7 +109,7 @@ pyxdg==0.25
 PyYAML==3.12
 pyzmq==18.1.0
 qtconsole==4.5.5
-reportlab==3.4.0
+reportlab==3.5.55
 requests==2.18.4
 requests-unixsocket==0.1.5
 scikit-learn==0.19.1