diff --git a/pkgs/servers/mail/postfix/default.nix b/pkgs/servers/mail/postfix/default.nix
index 7b6be5ec39e..c92507b4167 100644
--- a/pkgs/servers/mail/postfix/default.nix
+++ b/pkgs/servers/mail/postfix/default.nix
@@ -25,11 +25,11 @@ in stdenv.mkDerivation rec {
 
   name = "postfix-${version}";
 
-  version = "3.2.3";
+  version = "3.2.4";
 
   src = fetchurl {
     url = "ftp://ftp.cs.uu.nl/mirror/postfix/postfix-release/official/${name}.tar.gz";
-    sha256 = "1gs025smgynrlsg44cypjam99ds92mc9q46l5085d9sy0xfrf2sv";
+    sha256 = "1xn782bvzbrdwkz04smkq8ns89wbnqz11vnmz0m7jr545amfnmgc";
   };
 
   nativeBuildInputs = [ makeWrapper ];