diff --git a/Cryptography/Hash_Functions/MD5/Hash-Length-extension-attacks/VimeoHashExploit/requirements.txt b/Cryptography/Hash_Functions/MD5/Hash-Length-extension-attacks/VimeoHashExploit/requirements.txt
index 448a117..cc6a5d2 100644
--- a/Cryptography/Hash_Functions/MD5/Hash-Length-extension-attacks/VimeoHashExploit/requirements.txt
+++ b/Cryptography/Hash_Functions/MD5/Hash-Length-extension-attacks/VimeoHashExploit/requirements.txt
@@ -1,2 +1,3 @@
-Flask==0.10.1
+Flask==1.0
 requests==2.20.0
+