diff --git a/requirements.txt b/requirements.txt
index b9abc2c..8fb24f4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -97,7 +97,7 @@ pytz==2017.2
 pyxdg==0.25
 PyYAML==3.12
 radon==1.4.0
-reportlab==3.3.0
+reportlab==3.5.55
 requests==2.13.0
 restructuredtext-lint==0.17.2
 rstcheck==2.2