diff --git a/prepro/requirements.txt b/prepro/requirements.txt
old mode 100755
new mode 100644
index adc1d46..1ed4d6d
--- a/prepro/requirements.txt
+++ b/prepro/requirements.txt
@@ -70,7 +70,7 @@ python-debian==0.1.32
 pytz==2018.3
 pyxdg==0.25
 PyYAML==3.12
-reportlab==3.4.0
+reportlab==3.5.55
 requests==2.20.0
 requests-unixsocket==0.1.5
 s3transfer==0.1.13