diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index d1aa275..fba66bf
--- a/requirements.txt
+++ b/requirements.txt
@@ -93,7 +93,7 @@ supervisor==4.1.0
 tensorboard==2.6.0
 tensorboard-data-server==0.6.1
 tensorboard-plugin-wit==1.8.0
-tensorflow==2.5.1
+tensorflow==2.6.4
 tensorflow-estimator==2.5.0
 termcolor==1.1.0
 threadpoolctl==2.2.0