diff --git a/setup.py b/setup.py
index ba69979..8c9c345 100644
--- a/setup.py
+++ b/setup.py
@@ -1,51 +1,49 @@
 desc = '''
 GooseFEM is a C++ module, wrapped in Python, that provides several predefined finite element meshes.
 The original C++ module also includes element definitions and several standard finite element
 simulations.
 '''
 
 from setuptools import setup, Extension
 
 import sys, re
 import setuptools
 import pybind11
-import pyxtensor
+import cppmat
 
 header = open('include/GooseFEM/GooseFEM.h','r').read()
 world  = re.split(r'(.*)(\#define GOOSEFEM_WORLD_VERSION\ )([0-9]+)(.*)',header)[3]
 major  = re.split(r'(.*)(\#define GOOSEFEM_MAJOR_VERSION\ )([0-9]+)(.*)',header)[3]
 minor  = re.split(r'(.*)(\#define GOOSEFEM_MINOR_VERSION\ )([0-9]+)(.*)',header)[3]
 
 __version__ = '.'.join([world,major,minor])
 
 ext_modules = [
   Extension(
     'GooseFEM',
     ['include/GooseFEM/python.cpp'],
     include_dirs=[
-      pybind11 .get_include(False),
-      pybind11 .get_include(True ),
-      pyxtensor.get_include(False),
-      pyxtensor.get_include(True ),
-      pyxtensor.find_xtensor(),
-      pyxtensor.find_xtl(),
-      pyxtensor.find_eigen(),
+      pybind11.get_include(False),
+      pybind11.get_include(True ),
+      cppmat  .get_include(False),
+      cppmat  .get_include(True ),
+      cppmat  .find_eigen()
     ],
     language='c++'
   ),
 ]
 
 setup(
   name             = 'GooseFEM',
   description      = 'Finite element meshes, quadrature, and assembly tools',
   long_description = desc,
   version          = __version__,
   license          = 'GPLv3',
   author           = 'Tom de Geus',
   author_email     = 'tom@geus.me',
   url              = 'https://github.com/tdegeus/GooseFEM',
   ext_modules      = ext_modules,
-  install_requires = ['pybind11>=2.2.0','pyxtensor>=0.0.1'],
-  cmdclass         = {'build_ext': pyxtensor.BuildExt},
+  install_requires = ['pybind11>=2.2.0','cppmat>=1.0.6'],
+  cmdclass         = {'build_ext': cppmat.BuildExt},
   zip_safe         = False,
 )