diff --git a/Python Project 4(Railway Announcement System)/requirements.txt b/Python Project 4(Railway Announcement System)/requirements.txt
index 5662bf7..a497d61 100644
--- a/Python Project 4(Railway Announcement System)/requirements.txt	
+++ b/Python Project 4(Railway Announcement System)/requirements.txt	
@@ -8,7 +8,7 @@ gTTS==2.1.1
 gTTS-token==1.1.3
 idna==2.10
 Js2Py==0.70
-numpy==1.19.1
+numpy==1.22.0
 packaging==20.4
 pandas==1.1.0
 pipwin==0.5.0