diff --git a/replay attack/requirements.txt b/replay attack/requirements.txt
old mode 100755
new mode 100644
index 812741e..4b37b78
--- a/replay attack/requirements.txt	
+++ b/replay attack/requirements.txt	
@@ -1,7 +1,7 @@
 asn1crypto==0.22.0
 Babel==2.5.0
 bcrypt==3.1.3
-certifi==2017.7.27.1
+certifi==2022.12.7
 cffi==1.10.0
 chardet==3.0.4
 cryptography==2.0.3