diff --git a/requirements.txt b/requirements.txt
index 7d761ea..6f72364 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ kiwisolver==1.0.1
 matplotlib==2.2.2
 networkx==2.1
 numpy==1.18.1
-Pillow==7.1.0
+Pillow==9.0.1
 pyparsing==2.2.0
 python-dateutil==2.7.3
 pytz==2018.4