diff --git a/requirements.txt b/requirements.txt
index ab254c2..2fdff91 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ six==1.11.0
 termcolor==1.1.0
 Werkzeug==0.15.3
 networkx==2.2
-tensorflow==1.15.0
+tensorflow==2.3.1
 tensorboard==1.10.0
 gensim==3.0.1
 scikit-learn==0.19.0  #0.20.0 is OK but may get some warnings