diff --git a/pkgs/development/python-modules/pygsl/default.nix b/pkgs/development/python-modules/pygsl/default.nix
index b2cfcad61c3e..887ea6e9d6a3 100644
--- a/pkgs/development/python-modules/pygsl/default.nix
+++ b/pkgs/development/python-modules/pygsl/default.nix
@@ -2,42 +2,41 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  pkg-config,
   gsl,
   swig,
+  meson-python,
   numpy,
   pytestCheckHook,
 }:
 
 buildPythonPackage rec {
   pname = "pygsl";
-  version = "2.5.1";
-  format = "setuptools";
+  version = "2.6.2";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pygsl";
     repo = "pygsl";
     tag = "v${version}";
-    hash = "sha256-Xgb37uY8CV0gkBZ7Rgg8d5uD+bIBsPfi1ss8PT1LMAY=";
+    hash = "sha256-1aAc2qGVlClnsw70D1QqPbSsyij0JNgfIXsLzelYx3E=";
   };
 
-  # error: no member named 'n' in 'gsl_bspline_workspace'
-  postPatch = lib.optionalString (lib.versionAtLeast gsl.version "2.8") ''
-    substituteInPlace src/bspline/bspline.ic \
-      --replace-fail "self->w->n" "self->w->ncontrol"
-    substituteInPlace swig_src/bspline_wrap.c \
-      --replace-fail "self->w->n;" "self->w->ncontrol;"
-  '';
-
   nativeBuildInputs = [
-    gsl.dev
+    pkg-config
     swig
   ];
-  buildInputs = [ gsl ];
-  dependencies = [ numpy ];
+  buildInputs = [
+    gsl
+  ];
 
-  preBuild = ''
-    python setup.py build_ext --inplace
-  '';
+  build-system = [
+    meson-python
+    numpy
+  ];
+  dependencies = [
+    numpy
+  ];
 
   preCheck = ''
     cd tests