diff --git a/environments/pytom_full.yaml b/environments/pytom_full.yaml
index c11847b3..401dca96 100644
--- a/environments/pytom_full.yaml
+++ b/environments/pytom_full.yaml
@@ -4,7 +4,7 @@ channels:
 dependencies:
 - python=3
 - ipython
-- numpy
+- numpy<2
 - lxml
 - scipy
 - boost
diff --git a/pytom/pytomc/compile.py b/pytom/pytomc/compile.py
index 64af4840..434e15a8 100755
--- a/pytom/pytomc/compile.py
+++ b/pytom/pytomc/compile.py
@@ -182,7 +182,7 @@ def check4specialchars(path):
 if include_numpy is None:
     try:
         import numpy
-        path = os.path.join(numpy.__path__[0], 'core/include/numpy')
+        path = numpy.get_include()
         includePaths = [path] + includePaths
         includeFile,include_numpy = find("ndarrayobject.h",includePaths)    
     except Exception as e:
diff --git a/setup.py b/setup.py
index f1938f48..26dc81fe 100644
--- a/setup.py
+++ b/setup.py
@@ -62,7 +62,7 @@ def run(self):
     author='`FridoF',
     author_email='strubi.pytom@uu.nl',
     url='https://github.com/SBC-Utrecht/PyTom.git',
-    install_requires=['lxml', 'scipy', 'boost', 'numpy'],
+    install_requires=['lxml', 'scipy', 'boost', 'numpy>=1.18,<2'],
     extras_require={
         'gpu': ['cupy'],
         'gui': ['PyQt5', 'pyqtgraph', 'mrcfile'],