diff --git a/requirements.txt b/requirements.txt
index 58495df..4a2edfa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -48,7 +48,7 @@ rsa==4.0
 scipy==1.4.1
 six==1.14.0
 tensorboard==2.1.0
-tensorflow==2.1.0
+tensorflow==2.6.4
 tensorflow-estimator==2.1.0
 termcolor==1.1.0
 tornado==6.0.4