diff --git a/2019000170/src/requirements.txt b/2019000170/src/requirements.txt
index 8807db7..f8340a1 100644
--- a/2019000170/src/requirements.txt
+++ b/2019000170/src/requirements.txt
@@ -5,7 +5,7 @@ mkl-service==2.3.0
 numpy==1.18.1
 olefile==0.46
 pandas==1.0.3
-Pillow==7.1.2
+Pillow==9.0.0
 pkuseg==0.0.22
 python-dateutil==2.8.1
 pytz==2020.1