diff --git a/preprocess/requirements.txt b/preprocess/requirements.txt
index 9ed7cb2..7007ae7 100644
--- a/preprocess/requirements.txt
+++ b/preprocess/requirements.txt
@@ -1,2 +1,2 @@
 click==7.0
-Pillow==5.3.0
+Pillow==9.3.0