diff --git a/python/requirements_mac.txt b/python/requirements_mac.txt
index 9a7132e905a17d68f1d9e079be798693d12829da..df197930750049258d4b02742bd78e74ba8377d2 100644
--- a/python/requirements_mac.txt
+++ b/python/requirements_mac.txt
@@ -17,4 +17,4 @@ ujson>=2.0.3
 grpcio-tools==1.33.2
 grpcio>=1.33.2
 sentencepiece==0.1.83
-pillow==9.0.1
+pillow==8.4.0