diff --git a/requirements.txt b/requirements.txt
index c1ad83f..5201d78 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ matplotlib==3.3.3
 numpy==1.19.4
 packaging==20.7
 pandas==1.1.4
-Pillow==8.0.1
+Pillow==9.0.1
 pluggy==0.13.1
 py==1.9.0
 pyparsing==2.4.7