diff --git a/.github/workflows/python-package-conda.yml b/.github/workflows/python-package-conda.yml
index e276185..2cc1305 100644
--- a/.github/workflows/python-package-conda.yml
+++ b/.github/workflows/python-package-conda.yml
@@ -22,8 +22,8 @@ jobs:
     strategy:
       fail-fast: False
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        os: [ubuntu-latest, macos-latest-large, windows-latest]
+        python-version: ["3.10", "3.11", "3.12"]
         mkl-version: ['2023']  # currently 2024 fails building for some reason...
         include:
           - os: ubuntu-latest
@@ -55,7 +55,7 @@ jobs:
 
     - name: Create environment
       run: |
-        mamba install --quiet --yes pip numpy scipy cython mkl=${{ matrix.mkl-version }} pytest \
+        conda install --quiet --yes pip numpy scipy cython mkl=${{ matrix.mkl-version }} pytest \
           mkl-devel pkg-config meson-python meson ninja setuptools_scm \
           ${{ matrix.coverage && 'coverage' || ''}}
 
@@ -63,7 +63,7 @@ jobs:
       run: |
         python -m pip install --no-build-isolation --verbose --editable . \
           --config-setting=compile-args=-v \
-          ${{ matrix.coverage && '--config-settings=setup-args="-Dcy_coverage=true"' || ''}}
+          ${{ matrix.coverage && '--config-settings=setup-args="-Db_coverage=true"' || ''}}
         conda list
 
     - name: Run Tests
@@ -107,7 +107,7 @@ jobs:
 
     - name: Create environment
       run: |
-        mamba install --quiet --yes pip numpy scipy cython mkl=2023 \
+        conda install --quiet --yes pip numpy scipy cython mkl=2023 \
           mkl-devel pkg-config meson-python meson ninja setuptools_scm \
           python-build
 
diff --git a/meson.build b/meson.build
index 3303d66..29b269a 100644
--- a/meson.build
+++ b/meson.build
@@ -14,7 +14,7 @@ print(get_version())'''
 ).stdout().strip(),
 
   license: 'MIT',
-  meson_version: '>= 1.1.0',
+  meson_version: '>= 1.4.0',
   default_options: [
     'buildtype=debugoptimized',
     'b_ndebug=if-release',
diff --git a/meson.options b/meson.options
index f3968b5..6440a29 100644
--- a/meson.options
+++ b/meson.options
@@ -1,5 +1,3 @@
-option('cy_coverage', type : 'boolean', value : false)
-
 option('use-sdl', type: 'boolean', value: true,
        description: 'Use the single dynamic library.')
 
diff --git a/pydiso/meson.build b/pydiso/meson.build
index fd7f01c..67c9464 100644
--- a/pydiso/meson.build
+++ b/pydiso/meson.build
@@ -1,38 +1,5 @@
 # NumPy include directory
-# The try-except is needed because when things are
-# split across drives on Windows, there is no relative path and an exception
-# gets raised. There may be other such cases, so add a catch-all and switch to
-# an absolute path. Relative paths are needed when for example a virtualenv is
-# placed inside the source tree; Meson rejects absolute paths to places inside
-# the source tree.
-# For cross-compilation it is often not possible to run the Python interpreter
-# in order to retrieve numpy's include directory. It can be specified in the
-# cross file instead:
-#   [properties]
-#   numpy-include-dir = /abspath/to/host-pythons/site-packages/numpy/core/include
-#
-# This uses the path as is, and avoids running the interpreter.
-incdir_numpy = meson.get_external_property('numpy-include-dir', 'not-given')
-if incdir_numpy == 'not-given'
-  incdir_numpy = run_command(py,
-    [
-      '-c',
-      '''import os
-import numpy as np
-try:
-  incdir = os.path.relpath(np.get_include())
-except Exception:
-  incdir = np.get_include()
-print(incdir)
-  '''
-    ],
-    check: true
-  ).stdout().strip()
-else
-  _incdir_numpy_abs = incdir_numpy
-endif
-inc_np = include_directories(incdir_numpy)
-np_dep = declare_dependency(include_directories: inc_np)
+np_dep = dependency('numpy')
 
 # MKL-specific options
 mkl_dep_name = 'mkl-dynamic'
@@ -87,15 +54,12 @@ else
   use_math_defines = []
 endif
 
-numpy_nodepr_api = '-DNPY_NO_DEPRECATED_API=NPY_1_9_API_VERSION'
 c_undefined_ok = ['-Wno-maybe-uninitialized']
-
-cython_c_args = [numpy_nodepr_api, use_math_defines]\
+cython_c_args = [numpy_nodepr_api, use_math_defines, '-DCYTHON_CCOMPLEX=0']
 
 cython_file = 'mkl_solver.pyx'
-cython_file_full_path = meson.current_source_dir() / cython_file
 
-if get_option('cy_coverage')
+if get_option('b_coverage')
   # tell cython to enable linetracing
   add_project_arguments(['--directive', 'linetrace=true'], language : 'cython')
   # tell the c_compiler to definie the CYTHON_TRACE_NOGIL
@@ -103,6 +67,7 @@ if get_option('cy_coverage')
 
   # compile the .c file from the .pyx file in it's directory.
   # These should include the default options passed to the cython compiler
+  cython_file_full_path = meson.current_source_dir() / cython_file
   run_command(cython, '-M', '--fast-fail', '-3', '--directive', 'linetrace=true', cython_file_full_path)
 endif
 
@@ -111,7 +76,6 @@ module_path = 'pydiso'
 py.extension_module(
     'mkl_solver',
     cython_file,
-    include_directories: incdir_numpy,
     c_args: cython_c_args,
     install: true,
     subdir: module_path,
diff --git a/pyproject.toml b/pyproject.toml
index 0178128..e0d3b8b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,31 +2,10 @@
 [build-system]
 build-backend = 'mesonpy'
 requires = [
-    "meson-python>=0.14.0",
-    "Cython>=0.29.35",  # when updating version, also update check in meson.build
+    "meson-python>=0.15.0",
+    "Cython>=3.0.8",
     "setuptools_scm[toml]>=6.2",
-
-    # This package automatically provides all of the numpy pinning for different python
-    # versions and runtime requirements.
-    "oldest-supported-numpy",
-
-    # The following is taken from scipy's pyproject.toml file to handle
-    # building against the proper numpy API
-
-    # When numpy 2.0.0rc1 comes out, we should update this to build against 2.0,
-    # and then runtime depend on the range 1.22.X to <2.3. No need to switch to
-    # 1.25.2 in the meantime (1.25.x is the first version which exports older C
-    # API versions by default).
-
-    # default numpy requirements
-    # "numpy==1.22.4; python_version<='3.10' and platform_python_implementation != 'PyPy'",
-    # "numpy==1.23.2; python_version=='3.11' and platform_python_implementation != 'PyPy'",
-
-    # For Python versions which aren't yet officially supported, we specify an
-    # unpinned NumPy which allows source distributions to be used and allows
-    # wheels to be used as soon as they become available.
-    # "numpy>=1.26.0b1; python_version>='3.12'",
-    # "numpy; python_version>='3.8' and platform_python_implementation=='PyPy'",
+    "numpy>=2.0.0rc1",
 ]
 
 [project]