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..05d12fd9
--- 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
@@ -4,7 +4,7 @@ opencv_python==3.2.0.7
 matplotlib==2.0.2
 keras==2.1.5
 captcha==0.2.4
-Pillow==5.1.0
+Pillow==9.0.0
 pandas==0.23.0
 tqdm==4.24.0