diff --git a/deep-learning-v2-pytorch/tensorflow/intro-to-tensorflow/requirements.txt b/deep-learning-v2-pytorch/tensorflow/intro-to-tensorflow/requirements.txt
old mode 100755
new mode 100644
index 1ecc5960..8e961eac
--- a/deep-learning-v2-pytorch/tensorflow/intro-to-tensorflow/requirements.txt
+++ b/deep-learning-v2-pytorch/tensorflow/intro-to-tensorflow/requirements.txt
@@ -1 +1 @@
-tensorflow==1.0.0
+tensorflow==2.11.1