diff --git a/CHANGELOG.md b/CHANGELOG.md
index de3bfb2..e137e4e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,8 +6,9 @@
 ### 🐛Fixed
 - Error when checking the number of streamlines in the weighted LASSO function
 - Error in verifying voxel correspondence between the lesion mask passed through the dictionary and the ISO weights map
-- Error when checking the number of streamlines in the grouping structure for group LASSO regularization
-- Added check on empty groups when setting group LASSO regularization
+- Error when checking the number of streamlines in the grouping structure for group LASSO regularization (Fixes #154)
+- Added check on empty groups when setting group LASSO regularization (Fixes #153)
+- Tests fail using numpy >= 2.0.0
 - Typo in test script and reference results
 
 ---
diff --git a/commit/trk2dictionary/trk2dictionary.pyx b/commit/trk2dictionary/trk2dictionary.pyx
index 4b60d23..072968d 100644
--- a/commit/trk2dictionary/trk2dictionary.pyx
+++ b/commit/trk2dictionary/trk2dictionary.pyx
@@ -410,7 +410,8 @@ cpdef run( filename_tractogram=None, path_out=None, filename_peaks=None, filenam
     cdef float* ptrToVOXMM
     if extension == ".tck":
         M = _get_affine( niiREF ).copy()
-        M[:3, :3] = M[:3, :3].dot( np.diag([1./Px,1./Py,1./Pz]) )
+        # float64 conversion added to comply with the new cast policy of numpy v2
+        M[:3, :3] = M[:3, :3].dot( np.diag([np.float64(1)/Px,np.float64(1)/Py,np.float64(1)/Pz]) )
         toVOXMM = np.ravel(np.linalg.inv(M)).astype('<f4')
         ptrToVOXMM = &toVOXMM[0]
 
diff --git a/pyproject.toml b/pyproject.toml
index 7741a0d..4d6f5cb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [build-system]
 requires = [
     "cython>=3.0.10",
-    "numpy>=1.24.4,<2.0.0",
+    "numpy>=1.24.4",
     "setuptools>=69.2.0"
 ]
 build-backend = "setuptools.build_meta"
@@ -12,7 +12,7 @@ version = "2.4.2"
 dependencies = [
     "dmri-amico>=2.0.1",
     "dmri-dicelib>=1.1.0",
-    "numpy>=1.24.4,<2.0.0",
+    "numpy>=1.24.4",
     "scipy>=1.10.1"
 ]
 requires-python = ">=3.8"