diff --git a/docker/requirements.txt b/docker/requirements.txt
index a04a164..a8c63e2 100644
--- a/docker/requirements.txt
+++ b/docker/requirements.txt
@@ -1,7 +1,7 @@
 jupyter
 matplotlib==3.0.2
 pandas==0.24.0
-bleach==3.1.0
+bleach==3.3.0
 scikit-learn==0.20.2
 scikit-image==0.14.2
 pydot==1.4.1