diff --git a/requirements.txt b/requirements.txt
index 01ca73e..3559341 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 matplotlib==3.1.0
 numpy==1.16.3
 pandas==0.24.1
-Pillow==5.3.0
+Pillow==9.0.1
 scikit-learn==0.21.2
 scipy==1.2.1
 seaborn==0.9.0