diff --git a/study/cs234/assignment2/requirements.txt b/study/cs234/assignment2/requirements.txt
index da64296..7cfb9ea 100644
--- a/study/cs234/assignment2/requirements.txt
+++ b/study/cs234/assignment2/requirements.txt
@@ -3,4 +3,4 @@ gym==0.10.9
 matplotlib==2.0.2
 numpy==1.14.2
 six==1.11.0
-tensorflow-gpu==1.7.1
+tensorflow-gpu==2.9.3