diff --git a/requirements.txt b/requirements.txt
index 9e794bb..e3f4eb0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ numpy==1.15.4
 pandas==0.23.4
 pandocfilters==1.4.2
 pickleshare==0.7.5
-Pillow==5.3.0
+Pillow==9.3.0
 pyparsing==2.2.2
 python-dateutil==2.7.3
 scikit-learn==0.20.0