diff --git a/TensorFlow Deployment/Course 2 - TensorFlow Lite/Week 4/Exercise/requirements.txt b/TensorFlow Deployment/Course 2 - TensorFlow Lite/Week 4/Exercise/requirements.txt
old mode 100755
new mode 100644
index 98ac67b..38a394e
--- a/TensorFlow Deployment/Course 2 - TensorFlow Lite/Week 4/Exercise/requirements.txt	
+++ b/TensorFlow Deployment/Course 2 - TensorFlow Lite/Week 4/Exercise/requirements.txt	
@@ -1,2 +1,2 @@
-numpy==1.16.4
+numpy==1.22.0
 Pillow>=7.1.0