diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index e8cdd09e544f..9ca3c51fbf8e 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -11863,8 +11863,8 @@ let
     pname = "libnet";
     version = "3.12";
     src = fetchurl {
-      url = "mirror://cpan/authors/id/S/SH/SHAY/libnet-3.12.tar.gz";
-      sha256 = "1px35q9qchzd7rxqldj87vbrall8v31blidhmh0d25d5hyq9lw25";
+      url = "mirror://cpan/authors/id/S/SH/SHAY/libnet-3.13.tar.gz";
+      sha256 = "sha256-WjX7Hy1KopFoDrGvOImfq0U8IsKOcffHvTdHtaPbNIw=";
     };
     patches = [
       (fetchpatch {