diff --git a/requirements.txt b/requirements.txt
index ecbd774..b70532a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -62,7 +62,7 @@ parso==0.6.1
 partd==1.1.0
 pexpect==4.8.0
 pickleshare==0.7.5
-Pillow==7.0.0
+Pillow==9.0.0
 prometheus-client==0.7.1
 prompt-toolkit==3.0.3
 PseudoNetCDF==3.1.0