diff --git a/train_keras_2_2_4_cpu/requirements.txt b/train_keras_2_2_4_cpu/requirements.txt
index a630a06..311378e 100644
--- a/train_keras_2_2_4_cpu/requirements.txt
+++ b/train_keras_2_2_4_cpu/requirements.txt
@@ -1,4 +1,4 @@
-Pillow==6.0.0
+Pillow==9.3.0
 tensorflow==1.9.0
 Keras==2.2.4
 sacred==0.8.0