diff --git a/mods/mac-telnet.nix b/mods/mac-telnet.nix
index 3799a7a..6cf88bc 100644
--- a/mods/mac-telnet.nix
+++ b/mods/mac-telnet.nix
@@ -6,13 +6,13 @@
 }:
 
 stdenv.mkDerivation rec {
-	pname = "cbm";
-	version = "0.3.2";
+	pname = "mac-telnet";
+	version = "0.5.1";
 
 	src = fetchFromGitHub {
 		owner = "haakonnessjoen";
 		repo = "MAC-Telnet";
-    rev = "master";
+    rev = "v${version}";
     sha256 = "sha256-8DgVlxvRHh5u0Tl9K0i1m7DUqg9h7uL94M7ZaBx3c5s=";
 	};