diff --git a/requirements.txt b/requirements.txt
index 7af8fc5..433b5ed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,4 @@ Flask_Cors==3.0.3
 Flask==0.12.2
 setuptools==34.3.1
 Flask_API==0.6.9
-Pillow==4.2.1
+Pillow==9.0.0