diff --git a/requirements.txt b/requirements.txt
index 8f373d5..19164be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 BeautifulSoup==3.2.1
-Pillow==2.9.0  # last version that correctly generates cover pages
+Pillow==9.0.1  # last version that correctly generates cover pages
 argparse==1.2.1
 boto==2.32.1
 ecdsa==0.11