diff --git a/requirements.txt b/requirements.txt
index fb9fcd4..85e66bd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ cycler==0.10.0
 kiwisolver==1.1.0
 matplotlib==3.0.3
 numpy==1.16.3
-Pillow==6.2.0
+Pillow==9.0.1
 pyparsing==2.4.0
 python-dateutil==2.8.0
 PyYAML==5.1