diff --git a/requirements.txt b/requirements.txt
index 4761abf..d80b8ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -56,7 +56,7 @@ numba==0.49.1
 numpy==1.18.4
 pbr==5.4.5
 pep8-naming==0.9.1
-Pillow==7.1.2
+Pillow==9.0.0
 pitch==0.0.6
 proglog==0.1.9
 pycodestyle==2.6.0