diff --git a/ml/udacity_nano_degree/machine-learning-projects/projects/practice_projects/imdb/requirements/requirements.txt b/ml/udacity_nano_degree/machine-learning-projects/projects/practice_projects/imdb/requirements/requirements.txt
old mode 100755
new mode 100644
index 100cb14..4da88aa
--- a/ml/udacity_nano_degree/machine-learning-projects/projects/practice_projects/imdb/requirements/requirements.txt
+++ b/ml/udacity_nano_degree/machine-learning-projects/projects/practice_projects/imdb/requirements/requirements.txt
@@ -6,6 +6,6 @@ scipy==0.18.1
 tqdm==4.11.2
 keras==2.0.2
 scikit-learn==0.18.1
-pillow==4.0.0
+pillow==8.3.2
 tensorflow==1.0.0
 pandas==0.19.2