diff --git a/conda/bld.bat b/conda/bld.bat
new file mode 100644
index 0000000..eb0ab33
--- /dev/null
+++ b/conda/bld.bat
@@ -0,0 +1,6 @@
+@echo off
+call "%ProgramFiles%\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
+set "CC=cl"
+set "FC=flang-new"
+set "MESON_RSP_THRESHOLD=320000"
+%python% -m pip install . --no-deps --ignore-installed --no-build-isolation -vv
\ No newline at end of file
diff --git a/conda/build.sh b/conda/build.sh
new file mode 100644
index 0000000..4f56bcd
--- /dev/null
+++ b/conda/build.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+$PYTHON -m pip install . --no-deps --ignore-installed --no-build-isolation -vv
\ No newline at end of file
diff --git a/conda/conda_build_config.yaml b/conda/conda_build_config.yaml
deleted file mode 100644
index 543eff2..0000000
--- a/conda/conda_build_config.yaml
+++ /dev/null
@@ -1,2 +0,0 @@
-c_compiler:
-  - m2w64-toolchain          # [win]
\ No newline at end of file
diff --git a/conda/meta.yaml b/conda/meta.yaml
index 82c1376..49b4859 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -19,10 +19,7 @@ source:
 build:
   number: 0
   string: py{{ PY_VER }}
-  script_env:
-    - CC=gcc # [win]
   preserve_egg_dir: True
-  script: {{ PYTHON }} -m pip install . --no-deps --ignore-installed --no-build-isolation -vv
 
 requirements:
   host:
@@ -35,8 +32,7 @@ requirements:
     {% for dep in build_deps %}
     - {{ dep }}
     {% endfor  %}
-    - {{ compiler('fortran') }}  # [not win]
-    - {{ compiler('c') }}
+    - compilers
     - charset-normalizer
   run:
     - python
diff --git a/pyproject.toml b/pyproject.toml
index 9cfbb33..6c905ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ requires = [
     "setuptools",
     "setuptools_scm",
     "meson-python",
-    "numpy", # mandatory for f2py which is distributed with numpy
+    "numpy>2.0.0", # mandatory for f2py which is distributed with numpy
   ]
 #build-backend = "setuptools.build_meta"
 build-backend = "mesonpy"
@@ -20,6 +20,9 @@ fallback_version = "2.1.0.dev0"
 version_scheme = "guess-next-dev"
 local_scheme = "no-local-version"
 
+[tool.meson-python.args]
+setup = ['-Dfortran_std=none']
+
 [project]
 name = "openalea.ratp"
 authors = [