diff --git a/fast-neural-style/requirements.txt b/fast-neural-style/requirements.txt
index b9b2c2c..f1e3942 100644
--- a/fast-neural-style/requirements.txt
+++ b/fast-neural-style/requirements.txt
@@ -1,5 +1,5 @@
 h5py==2.6.0
 numpy==1.11.1
-Pillow==3.3.1
+Pillow==9.0.1
 scipy==0.18.0
 six==1.10.0