diff --git a/study/cs234/assignment2/requirements.txt b/study/cs234/assignment2/requirements.txt
index da64296..13812ee 100644
--- a/study/cs234/assignment2/requirements.txt
+++ b/study/cs234/assignment2/requirements.txt
@@ -1,6 +1,6 @@
 gym[atari]
 gym==0.10.9
 matplotlib==2.0.2
-numpy==1.14.2
+numpy==1.22.0
 six==1.11.0
 tensorflow-gpu==1.7.1