diff --git a/Natural Language Processing/Project 3 - DNN Speech Recognizer/requirements.txt b/Natural Language Processing/Project 3 - DNN Speech Recognizer/requirements.txt
old mode 100755
new mode 100644
index 4bcdecf..2c33ed5
--- a/Natural Language Processing/Project 3 - DNN Speech Recognizer/requirements.txt	
+++ b/Natural Language Processing/Project 3 - DNN Speech Recognizer/requirements.txt	
@@ -3,7 +3,7 @@ ipykernel==4.6.1
 jupyter==1.0.0
 keras==2.0.5
 librosa==0.5.1
-opencv-python==3.2.0.7
+opencv-python==3.4.7.28
 python-speech-features==0.5
 seaborn==0.7.1
 soundfile==0.9.0.post1
\ No newline at end of file