diff --git a/machine-learning/requirements.txt b/machine-learning/requirements.txt
index c46b507..f254714 100644
--- a/machine-learning/requirements.txt
+++ b/machine-learning/requirements.txt
@@ -16,7 +16,7 @@ marshmallow==2.15.0
 mccabe==0.6.1
 numpy==1.14.1
 pathlib2==2.3.0
-Pillow==5.0.0
+Pillow==9.0.0
 protobuf==3.5.1
 pylint==1.8.2
 pytz==2018.3