diff --git a/ch7/7.2/requirements.txt b/ch7/7.2/requirements.txt
index a12d700..bb65188 100644
--- a/ch7/7.2/requirements.txt
+++ b/ch7/7.2/requirements.txt
@@ -1,5 +1,5 @@
 torch==0.4.0
-numpy==1.14.5
+numpy==1.22.0
 matplotlib==2.1.2
 tqdm==4.23.4
 mxnet_cu90==1.2.1