diff --git a/requirements.txt b/requirements.txt
index b027e7d..0005ab9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ cycler==0.10.0
 kiwisolver==1.2.0
 matplotlib==3.3.1
 numpy==1.19.2
-Pillow==7.2.0
+Pillow==9.0.1
 pyparsing==2.4.7
 python-dateutil==2.8.1
 scipy==1.5.2