diff --git a/requirements_py35.txt b/requirements_py35.txt
index bcbdbb2..927217a 100644
--- a/requirements_py35.txt
+++ b/requirements_py35.txt
@@ -77,7 +77,7 @@ sklearn==0.0
 smart-open==1.6.0
 statsmodels==0.9.0
 tensorboard==1.9.0
-tensorflow==1.9.0
+tensorflow==2.6.4
 termcolor==1.1.0
 terminado==0.8.1
 testpath==0.3.1