diff --git a/pkgs/development/libraries/LASzip/default.nix b/pkgs/development/libraries/LASzip/default.nix
index f170ea44c0ee..ee6e74aa7bc2 100644
--- a/pkgs/development/libraries/LASzip/default.nix
+++ b/pkgs/development/libraries/LASzip/default.nix
@@ -1,25 +1,33 @@
-{ lib, stdenv, fetchFromGitHub, cmake }:
+{ lib
+, stdenv
+, fetchFromGitHub
+, cmake
+, fixDarwinDylibNames
+}:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   version = "3.4.3";
   pname = "LASzip";
 
   src = fetchFromGitHub {
     owner = "LASzip";
     repo = "LASzip";
-    rev = version;
-    sha256 = "09lcsgxwv0jq50fhsgfhx0npbf1zcwn3hbnq6q78fshqksbxmz7m";
+    rev = finalAttrs.version;
+    hash = "sha256-9fzal54YaocONtguOCxnP7h1LejQPQ0dKFiCzfvTjCY=";
   };
 
   nativeBuildInputs = [
     cmake
+  ] ++ lib.optionals stdenv.isDarwin [
+    fixDarwinDylibNames
   ];
 
   meta = {
     description = "Turn quickly bulky LAS files into compact LAZ files without information loss";
     homepage = "https://laszip.org";
+    changelog = "https://github.com/LASzip/LASzip/releases/tag/${finalAttrs.src.rev}";
     license = lib.licenses.lgpl2;
     maintainers = [ lib.maintainers.michelk ];
     platforms = lib.platforms.unix;
   };
-}
+})
diff --git a/pkgs/development/python-modules/laspy/default.nix b/pkgs/development/python-modules/laspy/default.nix
index 43366105532a..69b4af29f01b 100644
--- a/pkgs/development/python-modules/laspy/default.nix
+++ b/pkgs/development/python-modules/laspy/default.nix
@@ -3,28 +3,33 @@
 , fetchPypi
 , numpy
 , laszip
+, setuptools
 , pytestCheckHook
 , pythonOlder
 }:
 
 buildPythonPackage rec {
   pname = "laspy";
-  version = "2.4.1";
-  format = "setuptools";
+  version = "2.5.1";
+  format = "pyproject";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-E8rsxzJcsiQsslOUmE0hs7X3lsiLy0S8LtLTzxuXKsQ=";
+    hash = "sha256-uqPJxswVVjbxYRSREfnPwkPb0U9synKclLNWsxxmjy4=";
   };
 
+  nativeBuildInputs = [
+    setuptools
+  ];
+
   propagatedBuildInputs = [
     numpy
     laszip
   ];
 
-  checkInputs = [
+  nativeCheckInputs = [
     pytestCheckHook
   ];
 
@@ -36,7 +41,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Interface for reading/modifying/creating .LAS LIDAR files";
     homepage = "https://github.com/laspy/laspy";
-    changelog = "https://github.com/laspy/laspy/blob/2.4.1/CHANGELOG.md";
+    changelog = "https://github.com/laspy/laspy/blob/${version}/CHANGELOG.md";
     license = licenses.bsd2;
     maintainers = with maintainers; [ matthewcroughan ];
   };
diff --git a/pkgs/development/python-modules/laszip/default.nix b/pkgs/development/python-modules/laszip/default.nix
index cefd2d5f6e1a..2c6f4196595f 100644
--- a/pkgs/development/python-modules/laszip/default.nix
+++ b/pkgs/development/python-modules/laszip/default.nix
@@ -1,48 +1,44 @@
 { lib
+, stdenv
 , buildPythonPackage
 , fetchFromGitHub
 , scikit-build-core
-, distlib
-, pytestCheckHook
-, pyproject-metadata
-, pathspec
 , pybind11
 , cmake
 , LASzip
+, pythonOlder
 }:
 
 buildPythonPackage rec {
   pname = "laszip-python";
-  version = "0.2.1";
+  version = "0.2.3";
 
   format = "pyproject";
 
+  disabled = pythonOlder "3.7";
+
   src = fetchFromGitHub {
     owner = "tmontaigu";
     repo = pname;
     rev = version;
-    sha256 = "sha256-ujKoUm2Btu25T7ZrSGqjRc3NR1qqsQU8OwHQDSx8grY=";
+    hash = "sha256-MiPzL9TDCf1xnCv7apwdfcpkFnBRi4PO/atTQxqL8cw=";
   };
 
+  env.NIX_CFLAGS_COMPILE = lib.optionalString stdenv.cc.isGNU "-std=c++17";
+
   nativeBuildInputs = [
+    cmake
+    pybind11
     scikit-build-core
     scikit-build-core.optional-dependencies.pyproject
-    cmake
   ];
 
+  dontUseCmakeConfigure = true;
+
   buildInputs = [
-    pybind11
     LASzip
   ];
 
-  checkInputs = [
-    pytestCheckHook
-  ];
-
-  preBuild = ''
-    cd ..
-  '';
-
   # There are no tests
   doCheck = false;
 
@@ -51,6 +47,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Unofficial bindings between Python and LASzip made using pybind11";
     homepage = "https://github.com/tmontaigu/laszip-python";
+    changelog = "https://github.com/tmontaigu/laszip-python/blob/${src.rev}/Changelog.md";
     license = licenses.mit;
     maintainers = with maintainers; [ matthewcroughan ];
   };