diff --git a/requirements.txt b/requirements.txt
index ce4f099..b46af43 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ itsdangerous==1.1.0
 Jinja2==2.10.1
 MarkupSafe==1.1.1
 pdf2image==1.5.4
-Pillow==6.2.0
+Pillow==9.0.1
 PyMySQL==0.9.3
 pyocr==0.6
 PyPDF2==1.26.0