diff --git a/requirements.txt b/requirements.txt
index 70ea840..2377242 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 Flask == 1.0.2
 Keras == 2.2.0
-Pillow == 5.1.0
+Pillow == 9.0.0
 numpy == 1.14.5
 opencv_python == 3.4.1.15
 tensorflow == 1.8.0