diff --git a/requirements.txt b/requirements.txt
index ad8e133..6720b09 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Flask
 Keras==2.1.5
 Markdown==2.6.11
-Pillow==6.2.0
+Pillow==9.0.0
 PyYAML==5.1
 Werkzeug==0.15.3
 absl-py==0.1.11