diff --git a/pkgs/by-name/lo/lowdown/package.nix b/pkgs/by-name/lo/lowdown/package.nix
index 8c393af15ac2..0ed05f596982 100644
--- a/pkgs/by-name/lo/lowdown/package.nix
+++ b/pkgs/by-name/lo/lowdown/package.nix
@@ -5,6 +5,7 @@
   fixDarwinDylibNames,
   which,
   dieHook,
+  bmake,
   enableShared ? !stdenv.hostPlatform.isStatic,
   enableStatic ? stdenv.hostPlatform.isStatic,
   enableDarwinSandbox ? true,
@@ -16,7 +17,7 @@ stdenv.mkDerivation rec {
   pname = "lowdown${
     lib.optionalString (stdenv.hostPlatform.isDarwin && !enableDarwinSandbox) "-unsandboxed"
   }";
-  version = "1.3.2";
+  version = "2.0.2";
 
   outputs = [
     "out"
@@ -27,12 +28,13 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "https://kristaps.bsd.lv/lowdown/snapshots/lowdown-${version}.tar.gz";
-    hash = "sha512-IQmgPm2zE+B82Zdg+ldjtU/XI+qab9YRAzwzRMYv32KKjql0YLDEgc/m6DbgyCiNBkulD0dVExCtrTM+nBFHzw==";
+    hash = "sha512-cfzhuF4EnGmLJf5EGSIbWqJItY3npbRSALm+GarZ7SMU7Hr1xw0gtBFMpOdi5PBar4TgtvbnG4oRPh+COINGlA==";
   };
 
   nativeBuildInputs = [
     which
     dieHook
+    bmake # Uses FreeBSD's dialect
   ]
   ++ lib.optionals stdenv.hostPlatform.isDarwin [ fixDarwinDylibNames ];
 
@@ -74,7 +76,7 @@ stdenv.mkDerivation rec {
 
   postInstall =
     let
-      soVersion = "1";
+      soVersion = "2";
     in
 
     # Check that soVersion is up to date even if we are not on darwin
diff --git a/pkgs/tools/package-management/lix/default.nix b/pkgs/tools/package-management/lix/default.nix
index 08eb82bb1de5..fb7c9bb0435a 100644
--- a/pkgs/tools/package-management/lix/default.nix
+++ b/pkgs/tools/package-management/lix/default.nix
@@ -9,6 +9,7 @@
   fetchgit,
   fetchFromGitHub,
   fetchFromGitea,
+  fetchpatch2,
   rustPlatform,
   editline,
   ncurses,
@@ -168,6 +169,15 @@ lib.makeExtensible (self: {
         hash = "sha256-b5d+HnPcyHz0ZJW1+LZl4qm4LGTB/TiaDFQVlVL2xpE=";
       };
 
+      patches = [
+        # Support for lowdown >= 1.4, https://gerrit.lix.systems/c/lix/+/3731
+        (fetchpatch2 {
+          name = "lix-2.91-lowdown-1.4.0.patch";
+          url = "https://git.lix.systems/lix-project/lix/commit/ecff59d77371b21fef229c33ebb629bc49a8fad5.patch";
+          sha256 = "sha256-2M5oId5kObwzpw67rddAPI2RbWPEVlGBrMUXZWqqmEo=";
+        })
+      ];
+
       docCargoDeps = rustPlatform.fetchCargoVendor {
         name = "lix-doc-${version}";
         inherit src;
@@ -200,6 +210,15 @@ lib.makeExtensible (self: {
         hash = "sha256-iP2iUDxA99RcgQyZROs7bQw8pqxa1vFudRqjAIHg9Iw=";
       };
 
+      patches = [
+        # Support for lowdown >= 1.4, https://gerrit.lix.systems/c/lix/+/3731
+        (fetchpatch2 {
+          name = "lix-lowdown-1.4.0.patch";
+          url = "https://git.lix.systems/lix-project/lix/commit/858de5f47a1bfd33835ec97794ece339a88490f1.patch";
+          hash = "sha256-FfLO2dFSWV1qwcupIg8dYEhCHir2XX6/Hs89eLwd+SY=";
+        })
+      ];
+
       cargoDeps = rustPlatform.fetchCargoVendor {
         name = "lix-${version}";
         inherit src;
@@ -231,6 +250,15 @@ lib.makeExtensible (self: {
         hash = "sha256-Oqw04eboDM8rrUgAXiT7w5F2uGrQdt8sGX+Mk6mVXZQ=";
       };
 
+      patches = [
+        # Support for lowdown >= 1.4, https://gerrit.lix.systems/c/lix/+/3731
+        (fetchpatch2 {
+          name = "lix-lowdown-1.4.0.patch";
+          url = "https://git.lix.systems/lix-project/lix/commit/858de5f47a1bfd33835ec97794ece339a88490f1.patch";
+          hash = "sha256-FfLO2dFSWV1qwcupIg8dYEhCHir2XX6/Hs89eLwd+SY=";
+        })
+      ];
+
       cargoDeps = rustPlatform.fetchCargoVendor {
         name = "lix-${version}";
         inherit src;
diff --git a/pkgs/tools/package-management/nix/common-autoconf.nix b/pkgs/tools/package-management/nix/common-autoconf.nix
index 6f9b4fef5747..894380f71cf0 100644
--- a/pkgs/tools/package-management/nix/common-autoconf.nix
+++ b/pkgs/tools/package-management/nix/common-autoconf.nix
@@ -254,6 +254,14 @@ let
       "--enable-lto"
     ];
 
+    env.CXXFLAGS = toString (
+      lib.optionals (lib.versionAtLeast lowdown.version "1.4.0") [
+        # Autotools based build system wasn't updated with the backport of
+        # https://github.com/NixOS/nix/pull/12115, so set the define explicitly.
+        "-DHAVE_LOWDOWN_1_4"
+      ]
+    );
+
     makeFlags = [
       # gcc runs multi-threaded LTO using make and does not yet detect the new fifo:/path style
       # of make jobserver. until gcc adds support for this we have to instruct make to use this