diff --git a/requirements.txt b/requirements.txt
index eb5972c..8d59277 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -61,7 +61,7 @@ scipy==1.4.1
 sentencepiece==0.1.85
 six==1.13.0
 tensorboard==2.1.2
-tensorflow==2.1.2
+tensorflow==2.5.1
 tensorflow-estimator==2.1.2
 termcolor==1.1.0
 torch==1.4.0