diff --git a/requirements.txt b/requirements.txt
index 10c4072..c288b8f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ idna==2.7
 kiwisolver==1.0.1
 matplotlib==3.0.1
 pandas==0.23.4
-Pillow==5.3.0
+Pillow==9.0.1
 pyparsing==2.3.0
 python-dateutil==2.7.5
 pytz==2018.7