diff --git a/requirements.txt b/requirements.txt
index 68fb280..46c26ef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ requests==2.18.1
 scikit-learn==0.18.2
 scipy==0.19.1
 sklearn==0.0
-tensorflow==1.2.1
+tensorflow==2.9.3
 theano==0.9.0
 chainer==2.0.1
 chainerrl==0.2.0