diff --git a/requirements.txt b/requirements.txt
index 6db27b9..674daee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -91,7 +91,7 @@ python-debian==0.1.21-nmu2ubuntu2
 pytz==2015.7
 pyxdg==0.26
 redis==2.10.5
-reportlab==3.0
+reportlab==3.5.55
 repoze.lru==0.6
 requests==2.20.0
 scipy==0.17.0