diff --git a/dask_requirements.txt b/dask_requirements.txt
index 6458b18b..3d87411f 100644
--- a/dask_requirements.txt
+++ b/dask_requirements.txt
@@ -51,7 +51,7 @@ python-coveralls==2.9.1 #not in conda, pip install
 python-dotenv==0.8.2
 pytz==2018.4
 redis==2.10.6 #pip not conda
-reportlab==3.4.0
+reportlab==3.5.55
 requests==2.19.1
 rollbar==0.14.0
 scipy==1.1.0