diff --git a/requirements.txt b/requirements.txt
index d05245d..292c3ae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ matplotlib==3.1.1
 nltk==3.4.5
 numpy==1.16.4
 pandas==0.25.0
-Pillow==8.3.2
+Pillow==9.0.1
 prettyplotlib==0.1.7
 pyparsing==2.4.2
 python-dateutil==2.8.0