diff --git a/Chapter13/chapter_13/requirements.txt b/Chapter13/chapter_13/requirements.txt
index e1014bf..2a22261 100644
--- a/Chapter13/chapter_13/requirements.txt
+++ b/Chapter13/chapter_13/requirements.txt
@@ -2,7 +2,7 @@ xlsxwriter==1.1.2
 colorama==0.4.1
 pyfiglet==0.8.post0
 mutagen==1.42.0
-pillow==5.4.0
+pillow==9.0.1
 simplekml==1.3.1
 tqdm==4.28.1
 unicodecsv==0.14.1