diff --git a/requirements.txt b/requirements.txt
index cd73599..85b7de8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ JPype1==0.7.0
 konlpy==0.5.1
 numpy==1.17.2
 pandas==0.25.1
-Pillow==6.1.0
+Pillow==9.3.0
 protobuf==3.9.2
 python-dateutil==2.8.0
 pytz==2019.2