diff --git a/requirements.txt b/requirements.txt
index 9503641..d4c2f01 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Pillow==5.2.0
+Pillow==9.0.1
 pandas==0.24.0
 numpy==1.14.5
 matplotlib==2.2.2