diff --git a/container-optimizer/requirements.txt b/container-optimizer/requirements.txt
index 61c96cf..67cd727 100644
--- a/container-optimizer/requirements.txt
+++ b/container-optimizer/requirements.txt
@@ -71,7 +71,7 @@ pandocfilters==1.4.2
 parso==0.6.2
 pexpect==4.8.0
 pickleshare==0.7.5
-Pillow==7.0.0
+Pillow==9.0.0
 portalocker==1.5.2
 profilehooks==1.11.2
 prometheus-client==0.7.1