diff --git a/build/requirements.txt b/build/requirements.txt
index 5e9bbe3..ab27815 100644
--- a/build/requirements.txt
+++ b/build/requirements.txt
@@ -56,7 +56,7 @@ parso==0.4.0
 patsy==0.5.1
 pexpect==4.7.0
 pickleshare==0.7.5
-Pillow==6.0.0
+Pillow==9.0.1
 pluggy==0.9.0
 poyo==0.4.2
 prometheus-client==0.6.0