diff --git a/ml/app/requirements.txt b/ml/app/requirements.txt
old mode 100755
new mode 100644
index 196ab7b..4752dbe
--- a/ml/app/requirements.txt
+++ b/ml/app/requirements.txt
@@ -1,4 +1,4 @@
-tensorflow==1.14.0
+tensorflow==1.15.0
 pillow==6.1.0
 numpy==1.17.0
 flask==0.12.4