diff --git a/requirements.txt b/requirements.txt
index 7b1caee..e3cffab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ kiwisolver==1.1.0
 matplotlib==3.1.1
 numpy==1.16.4
 pandas==0.25.0
-Pillow==6.1.0
+Pillow==9.3.0
 pyparsing==2.4.0
 python-dateutil==2.8.0
 pytz==2019.1