diff --git a/requirements.txt b/requirements.txt
index f9dd44b..31df003 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ mock==2.0.0
 numpy==1.13.3
 olefile==0.44
 pbr==3.1.1
-Pillow==4.3.0
+Pillow==9.3.0
 protobuf==3.4.0
 pyparsing==2.2.0
 python-dateutil==2.6.1