diff --git a/pkgs/development/tools/castxml/default.nix b/pkgs/by-name/ca/castxml/package.nix
similarity index 59%
rename from pkgs/development/tools/castxml/default.nix
rename to pkgs/by-name/ca/castxml/package.nix
index bceafd504dcc..2b0a255bbdc8 100644
--- a/pkgs/development/tools/castxml/default.nix
+++ b/pkgs/by-name/ca/castxml/package.nix
@@ -1,14 +1,16 @@
-{ lib
-, stdenv
-, fetchFromGitHub
-, cmake
-, libffi
-, libxml2
-, zlib
-, withManual ? true
-, withHTML ? true
-, llvmPackages
-, python3
+{
+  cmake,
+  fetchFromGitHub,
+  lib,
+  libffi,
+  libxml2,
+  llvmPackages,
+  python3,
+  stdenv,
+  zlib,
+  # Boolean flags
+  withHTML ? true,
+  withManual ? true,
 }:
 
 let
@@ -17,19 +19,20 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "castxml";
-  version = "0.6.5";
+  version = "0.6.6";
 
   src = fetchFromGitHub {
     owner = "CastXML";
     repo = "CastXML";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-r9Emh2KHjANrg+oWeY8Ags3Gd8k3W68J88bAud+AH6I=";
+    hash = "sha256-icTos9HboZXvojQPX+pRkpBYiZ5SXSMb9XtvRnXNHuo=";
   };
 
   nativeBuildInputs = [
     cmake
-    llvm.dev
-  ] ++ lib.optionals (withManual || withHTML) [
+    (lib.getDev llvm)
+  ]
+  ++ lib.optionals (withManual || withHTML) [
     sphinx
   ];
 
@@ -45,14 +48,17 @@ stdenv.mkDerivation (finalAttrs: {
   ];
 
   cmakeFlags = [
-    "-DCLANG_RESOURCE_DIR=${libclang.dev}/"
-    "-DSPHINX_HTML=${if withHTML then "ON" else "OFF"}"
-    "-DSPHINX_MAN=${if withManual then "ON" else "OFF"}"
+    (lib.cmakeOptionType "path" "CLANG_RESOURCE_DIR" "${lib.getDev libclang}")
+    (lib.cmakeBool "SPHINX_HTML" withHTML)
+    (lib.cmakeBool "SPHINX_MAN" withManual)
   ];
 
   # 97% tests passed, 97 tests failed out of 2881
   # mostly because it checks command line and nix append -isystem and all
   doCheck = false;
+
+  strictDeps = true;
+
   # -E exclude 4 tests based on names
   # see https://github.com/CastXML/CastXML/issues/90
   checkPhase = ''
@@ -61,12 +67,12 @@ stdenv.mkDerivation (finalAttrs: {
     runHook postCheck
   '';
 
-  meta = with lib; {
+  meta = {
     homepage = "https://github.com/CastXML/CastXML";
     description = "C-family Abstract Syntax Tree XML Output";
+    license = lib.licenses.asl20;
     mainProgram = "castxml";
-    license = licenses.asl20;
-    maintainers = with maintainers; [ AndersonTorres ];
-    platforms = platforms.unix;
+    maintainers = with lib.maintainers; [ AndersonTorres ];
+    platforms = lib.platforms.unix;
   };
 })
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c526f939d01d..fdbd40af2b98 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -420,8 +420,6 @@ with pkgs;
 
   castget = callPackage ../applications/networking/feedreaders/castget { };
 
-  castxml = callPackage ../development/tools/castxml { };
-
   catatonit = callPackage ../applications/virtualization/catatonit { };
 
   catppuccin-catwalk = callPackage ../development/tools/misc/catppuccin-catwalk { };