diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index f528eec..b97296b
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ scipy==1.3.2
 six==1.13.0
 sklearn==0.0
 tensorboard==2.0.1
-tensorflow==2.0.0
+tensorflow==2.6.4
 tensorflow-estimator==2.0.1
 termcolor==1.1.0
 urllib3==1.25.7