diff --git a/03-deep_learning/01-tensorflow_examples/04-CV/04-ocr/OCR_repo/requirements.txt b/03-deep_learning/01-tensorflow_examples/04-CV/04-ocr/OCR_repo/requirements.txt
old mode 100755
new mode 100644
index 05a6ae33..f4984f7a
--- a/03-deep_learning/01-tensorflow_examples/04-CV/04-ocr/OCR_repo/requirements.txt
+++ b/03-deep_learning/01-tensorflow_examples/04-CV/04-ocr/OCR_repo/requirements.txt
@@ -1,5 +1,5 @@
 tensorflow_gpu==1.6.0
-numpy==1.13.1
+numpy==1.21.0
 opencv_python==3.2.0.7
 matplotlib==2.0.2
 keras==2.1.5