diff --git a/requirements.txt b/requirements.txt
index e97f51b..4f37662 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -54,7 +54,7 @@ moviepy==0.2.3.2
 numpy==1.13.1
 oauth2client==3.0.0
 olefile==0.44
-Pillow==4.2.1
+Pillow==9.0.0
 ply==3.8
 proto-google-cloud-datastore-v1==0.90.4
 proto-google-cloud-error-reporting-v1beta1==0.15.3