diff --git a/requirements.txt b/requirements.txt
index e36d492..af04b85 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ pandocfilters==1.4.2
 parso==0.5.1
 pexpect==4.7.0
 pickleshare==0.7.5
-Pillow==6.2.1
+Pillow==9.0.1
 prometheus-client==0.7.1
 prompt-toolkit==2.0.10
 ptyprocess==0.6.0