diff --git a/study/cs234/assignment3/starter_code/requirements.txt b/study/cs234/assignment3/starter_code/requirements.txt
index b473209..8a1d44d 100644
--- a/study/cs234/assignment3/starter_code/requirements.txt
+++ b/study/cs234/assignment3/starter_code/requirements.txt
@@ -1,6 +1,6 @@
 gradescope-utils>=0.2.7
 subprocess32
-numpy==1.14.2
+numpy==1.21.0
 tensorflow==1.7.1
 gym==0.7.4
 scipy==1.2.0