diff --git a/pkgs/tools/networking/unbound/default.nix b/pkgs/tools/networking/unbound/default.nix
index a1a908340003..9d5c73286b6f 100644
--- a/pkgs/tools/networking/unbound/default.nix
+++ b/pkgs/tools/networking/unbound/default.nix
@@ -47,24 +47,15 @@
 , gnutls
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "unbound";
-  version = "1.18.0";
+  version = "1.19.0";
 
   src = fetchurl {
-    url = "https://nlnetlabs.nl/downloads/unbound/unbound-${version}.tar.gz";
-    hash = "sha256-PalUkKhc/2Qg8m+uC4Skn1ES3xvxt/w0+HJPAggstxI=";
+    url = "https://nlnetlabs.nl/downloads/unbound/unbound-${finalAttrs.version}.tar.gz";
+    hash = "sha256-qXUyRohUxhwt5IykFw3oVP07yVyAQ7sM+w/iZgWWZiQ=";
   };
 
-  patches = [
-    # Backport: fix libunbound with nettle.
-    (fetchpatch {
-      url = "https://github.com/NLnetLabs/unbound/commit/654a7eab62cbd1844d483cc4a0f2cf2fbcbaf00a.patch";
-      excludes = [ "doc/Changelog" ];
-      hash = "sha256-n3FCeZESFrrn6Wcf28Hb8WZs1eMHWjbsf2WCFOXU3lI=";
-    })
-  ];
-
   outputs = [ "out" "lib" "man" ]; # "dev" would only split ~20 kB
 
   nativeBuildInputs = [ makeWrapper pkg-config ]
@@ -157,7 +148,7 @@ stdenv.mkDerivation rec {
   + ''substituteInPlace "$lib/lib/libunbound.la" ''
   + lib.concatMapStrings
     (pkg: lib.optionalString (pkg ? dev) " --replace '-L${pkg.dev}/lib' '-L${pkg.out}/lib' --replace '-R${pkg.dev}/lib' '-R${pkg.out}/lib'")
-    (builtins.filter (p: p != null) buildInputs);
+    (builtins.filter (p: p != null) finalAttrs.buildInputs);
 
   passthru.tests = {
     inherit gnutls;
@@ -172,4 +163,4 @@ stdenv.mkDerivation rec {
     maintainers = with maintainers; [ ajs124 ];
     platforms = platforms.unix;
   };
-}
+})