diff --git a/requirements.txt b/requirements.txt
index fb618d2..e5c6497 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -151,7 +151,7 @@ pathlib2==2.3.0
 patsy==0.4.1
 pep8==1.7.0
 pickleshare==0.7.4
-Pillow==5.3.0
+Pillow==9.3.0
 pkginfo==1.4.1
 plotly==2.5.1
 ply==3.10