diff --git a/requirements.txt b/requirements.txt
index 27b2d50..3f478a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ docutils==0.14
 idna==2.6
 jmespath==0.9.3
 olefile==0.44
-Pillow==4.1.1
+Pillow==9.3.0
 python-dateutil==2.6.1
 requests==2.18.4
 s3transfer==0.1.10