diff --git a/pkgs/servers/mail/petidomo/default.nix b/pkgs/servers/mail/petidomo/default.nix
index dfff754caf6..6c6cde8a46a 100644
--- a/pkgs/servers/mail/petidomo/default.nix
+++ b/pkgs/servers/mail/petidomo/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, flex, bison, sendmailPath ? "/var/setuid-wrappers/sendmail" }:
 
 stdenv.mkDerivation rec {
-  name = "petidomo-4.2";
+  name = "petidomo-4.3";
 
   src = fetchurl {
     url = "mirror://sourceforge/petidomo/${name}.tar.gz";
-    sha256 = "0rckzsiqg819ids5784gmlf5p1lbjvavz0f5mwn10h34kclhi8bz";
+    sha256 = "0x4dbxc4fcfg1rw5ywpcypvylnzn3y4rh0m6fz4h4cdnzb8p1lvm";
   };
 
   buildInputs = [ flex bison ];