diff --git a/nnframework/tf/requirements.txt b/nnframework/tf/requirements.txt
old mode 100755
new mode 100644
index 9bfeda9..ecdf803
--- a/nnframework/tf/requirements.txt
+++ b/nnframework/tf/requirements.txt
@@ -1,6 +1,6 @@
 Cython==0.29.13
 numpy==1.18.4
-tensorflow==1.15
+tensorflow==2.9.3
 keras==2.3.1
 scikit-learn==0.23.2
 matplotlib==3.2.1