diff --git a/requirements.txt b/requirements.txt
index b311218..e2cbbb2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -56,7 +56,7 @@ pyxdg==0.25
 PyYAML==3.12
 pyzmq==17.1.2
 qtconsole==4.4.3
-reportlab==3.5.6
+reportlab==3.5.55
 requests==2.18.4
 requests-unixsocket==0.1.5
 SecretStorage==2.3.1