diff --git a/pkgs/development/libraries/opendkim/default.nix b/pkgs/development/libraries/opendkim/default.nix
index e77a241af72..62a343d8efc 100644
--- a/pkgs/development/libraries/opendkim/default.nix
+++ b/pkgs/development/libraries/opendkim/default.nix
@@ -1,10 +1,10 @@
 {stdenv, fetchurl, openssl, libmilter}:
 
 stdenv.mkDerivation rec {
-  name = "opendkim-1.2.2";
+  name = "opendkim-2.4.2";
   src = fetchurl {
     url = "mirror://sourceforge/opendkim/files/${name}.tar.gz";
-    sha256 = "01kvhm10kv17mm4zfz0zd24wzr98fxqwyzm56m2l1v262ng3l4nw";
+    sha256 = "0gwgcrnl5c60sxb9z38ari2gl7vd626r3z3dcq8a6aw28pw9w2lk";
   };
 
   configureFlags="--with-openssl=${openssl} --with-milter=${libmilter}";