diff --git a/pkgs/development/libraries/opendkim/default.nix b/pkgs/development/libraries/opendkim/default.nix
index e89cd880df1..752ff6be388 100644
--- a/pkgs/development/libraries/opendkim/default.nix
+++ b/pkgs/development/libraries/opendkim/default.nix
@@ -10,6 +10,8 @@ stdenv.mkDerivation rec {
 
   configureFlags= [ "--with-milter=${libmilter}" ];
 
+  hardeningEnable = [ "pie" ];
+
   nativeBuildInputs = [ pkgconfig makeWrapper ];
 
   buildInputs = [ libbsd openssl libmilter perl ];