diff --git a/pkgs/servers/dns/knot-dns/default.nix b/pkgs/servers/dns/knot-dns/default.nix
index 4a8ed6a0b080..4363f9665fa4 100644
--- a/pkgs/servers/dns/knot-dns/default.nix
+++ b/pkgs/servers/dns/knot-dns/default.nix
@@ -1,16 +1,15 @@
 { lib, stdenv, fetchurl, pkg-config, gnutls, liburcu, lmdb, libcap_ng, libidn2, libunistring
 , systemd, nettle, libedit, zlib, libiconv, libintl, libmaxminddb, libbpf, nghttp2, libmnl
 , autoreconfHook, nixosTests
-, fetchpatch
 }:
 
 stdenv.mkDerivation rec {
   pname = "knot-dns";
-  version = "3.1.1";
+  version = "3.1.2";
 
   src = fetchurl {
     url = "https://secure.nic.cz/files/knot-dns/knot-${version}.tar.xz";
-    sha256 = "75bfb1acaca774ed3dd781dc74780298dc0fd51b54e4b61015e7487d6cd2067c";
+    sha256 = "580087695df350898b2da8a5c2bdf1dc5eb262ed5ff2cb1538cee480a50fa094";
   };
 
   outputs = [ "bin" "out" "dev" ];
@@ -26,11 +25,6 @@ stdenv.mkDerivation rec {
     # They are later created from NixOS itself.
     ./dont-create-run-time-dirs.patch
     ./runtime-deps.patch
-    # rename task_t to worker_task_t to fix redefinition issues on (aach64-)darwin
-    (fetchpatch {
-      url = "https://gitlab.nic.cz/knot/knot-dns/-/commit/a70b718085f9b97e556970444313c37a702a60f7.diff";
-      sha256 = "0m776pb9iga0lj2gadk23shfrcfrsrzlyaj8800klw7xh6qq32bm";
-    })
   ];
 
   nativeBuildInputs = [ pkg-config autoreconfHook ];