diff --git a/src/course/nctu_ml2017/HW3/requirements.txt b/src/course/nctu_ml2017/HW3/requirements.txt
index 12d625d..d1556fb 100644
--- a/src/course/nctu_ml2017/HW3/requirements.txt
+++ b/src/course/nctu_ml2017/HW3/requirements.txt
@@ -1,6 +1,6 @@
 pandas==0.21.1
 scikit-learn==0.19.1
 scipy==1.0.0
-numpy==1.13.3
+numpy==1.22.0
 matplotlib==2.1.1