diff --git a/pkgs/os-specific/linux/ell/default.nix b/pkgs/os-specific/linux/ell/default.nix
index 1a5e119ef473..c4f91658f448 100644
--- a/pkgs/os-specific/linux/ell/default.nix
+++ b/pkgs/os-specific/linux/ell/default.nix
@@ -1,5 +1,6 @@
 { lib, stdenv
 , fetchgit
+, fetchpatch
 , autoreconfHook
 , pkg-config
 , dbus
@@ -9,16 +10,27 @@
 
 stdenv.mkDerivation rec {
   pname = "ell";
-  version = "0.65";
+  version = "0.66";
 
   outputs = [ "out" "dev" ];
 
   src = fetchgit {
     url = "https://git.kernel.org/pub/scm/libs/ell/ell.git";
     rev = version;
-    hash = "sha256-q0C9KfWHxdmrG7xcbb8zpFL4ro+BJb7BL2tyKdFIhew=";
+    hash = "sha256-FqJbAE2P6rKKUMwcDShCKNDQu4RRifEGrbE7F4gSpm0=";
   };
 
+  patches = [
+    # Without the revert TCP dbus tests fail to bind the port and fail.
+    # Seemingly a known dbus bug: https://gitlab.freedesktop.org/dbus/dbus/-/issues/28
+    (fetchpatch {
+      name = "revert-tcp-tests.patch";
+      url = "https://git.kernel.org/pub/scm/libs/ell/ell.git/patch/?id=7863e06b18b9cce56392b65928e927297108337d";
+      hash = "sha256-8+M1k0hGE64CHmK1T5/zW8+Q76pIjl5SMaYktRqpudg=";
+      revert = true;
+    })
+  ];
+
   nativeBuildInputs = [
     pkg-config
     autoreconfHook
diff --git a/pkgs/os-specific/linux/iwd/default.nix b/pkgs/os-specific/linux/iwd/default.nix
index 5c1d153b83fc..174949a7af4d 100644
--- a/pkgs/os-specific/linux/iwd/default.nix
+++ b/pkgs/os-specific/linux/iwd/default.nix
@@ -13,12 +13,12 @@
 
 stdenv.mkDerivation rec {
   pname = "iwd";
-  version = "2.17";
+  version = "2.18";
 
   src = fetchgit {
     url = "https://git.kernel.org/pub/scm/network/wireless/iwd.git";
     rev = version;
-    hash = "sha256-o/Q8vUtB4Yiz1x+/6+8LUKUQNtiAmwcdh++/tTUN4mM=";
+    hash = "sha256-icPYxbCkfgv3v/FIVnrwKoHuLh9Sx2fcpQPO3kXJe4A=";
   };
 
   outputs = [ "out" "man" "doc" ]