diff --git a/requirements.txt b/requirements.txt
index 925f5cf..c971fe0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ kiwisolver==1.0.1
 matplotlib==3.0.3
 numpy==1.16.2
 pandas==0.24.2
-Pillow==6.2.2
+Pillow==9.3.0
 pyparsing==2.3.1
 python-dateutil==2.8.0
 pytz==2018.9