diff --git a/requirements.txt b/requirements.txt
index 2954b34..e7be442 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ matplotlib==3.0.2
 numpy==1.15.4
 packaging==18.0
 pandas==0.23.4
-Pillow==5.3.0
+Pillow==9.3.0
 pyparsing==2.3.0
 python-dateutil==2.7.5
 pytz==2018.7