diff --git a/requirements.txt b/requirements.txt
index 35f27d4..49d4e22 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ pandocfilters==1.4.2
 parso==0.5.1
 pexpect==4.7.0
 pickleshare==0.7.5
-Pillow==6.2.1
+Pillow==9.0.0
 prometheus-client==0.7.1
 prompt-toolkit==2.0.10
 ptyprocess==0.6.0