diff --git a/requirements.txt b/requirements.txt
index ea05e17..df9318c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ Markdown==2.6.11
 MarkupSafe==1.1.1
 mkdocs==1.0.3
 pdfrw==0.4
-Pillow==6.2.2
+Pillow==9.3.0
 pycparser==2.18
 Pyphen==0.9.5
 PyYAML>=4.2b1