diff --git a/docs/samples/explanation/aix/mnist/requirements.txt b/docs/samples/explanation/aix/mnist/requirements.txt
index 71ee1712f..0d873152a 100644
--- a/docs/samples/explanation/aix/mnist/requirements.txt
+++ b/docs/samples/explanation/aix/mnist/requirements.txt
@@ -39,7 +39,7 @@ jupyter-client==6.1.2
 jupyter-core==4.6.3
 jupyterlab==2.0.1
 jupyterlab-server==1.0.7
-Keras==2.3.1
+Keras==2.13.1
 Keras-Applications==1.0.8
 Keras-Preprocessing==1.1.0
 kiwisolver==1.2.0