diff --git a/requirements.txt b/requirements.txt
index c4fc311..638cb69 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -56,7 +56,7 @@ pandocfilters==1.4.2
 parso==0.5.2
 pexpect==4.7.0
 pickleshare==0.7.5
-Pillow==6.2.0
+Pillow==9.0.0
 pkg-resources==0.0.0
 pluggy==0.13.1
 pptk==0.1.0