diff --git a/books/zero_to_deep_learning/requirements.txt b/books/zero_to_deep_learning/requirements.txt
index b5ad23a..33ce2ca 100644
--- a/books/zero_to_deep_learning/requirements.txt
+++ b/books/zero_to_deep_learning/requirements.txt
@@ -46,7 +46,7 @@ pandocfilters==1.4.2
 parso==0.3.1
 pexpect==4.6.0
 pickleshare==0.7.4
-Pillow==6.2.0
+Pillow==9.0.1
 pluggy==0.6.0
 prometheus-client==0.3.0
 prompt-toolkit==1.0.15