diff --git a/requirements.txt b/requirements.txt
index 6ea6903..99867aa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ MarkupSafe==0.23
 olefile==0.44
 packaging==16.8
 pdtools==0.11.2
-Pillow==4.0.0
+Pillow==9.3.0
 pyparsing==2.1.10
 PyYAML==3.12
 requests==2.18.4