diff --git a/requirements.txt b/requirements.txt
index 5d77107..dbad591 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ idna==2.6
 numpy==1.13.3
 olefile==0.44
 pandas==0.21.0
-Pillow==4.3.0
+Pillow==9.3.0
 psycopg2==2.7.1
 pymssql==2.1.3
 pyodbc==4.0.21