diff --git a/neurolib/utils/signal.py b/neurolib/utils/signal.py
index 3c06c1ef..7238cb92 100644
--- a/neurolib/utils/signal.py
+++ b/neurolib/utils/signal.py
@@ -517,7 +517,7 @@ def resample_func(x):
 
         resampled = resample_func(self.data.values)
         # construct new times
-        new_times = (np.arange(resampled.shape[-1], dtype=np.float) / to_frequency) + self.data.time.values[0]
+        new_times = (np.arange(resampled.shape[-1], dtype=float) / to_frequency) + self.data.time.values[0]
         # to dataframe
         resampled = xr.DataArray(resampled, dims=self.data.dims, coords={**self.coords_not_time, "time": new_times})
         add_steps = [f"resample to {to_frequency}Hz"]
diff --git a/tests/multimodel/base/test_network.py b/tests/multimodel/base/test_network.py
index c5cbafcc..5c42c568 100644
--- a/tests/multimodel/base/test_network.py
+++ b/tests/multimodel/base/test_network.py
@@ -28,7 +28,7 @@ def test_sanitize_matrix_int(self):
         mat = (np.random.rand(2, 2) * 100.0).astype(int)
         result = _sanitize_matrix(mat, (2, 2))
         self.assertTrue(result.dtype.kind == "f")
-        np.testing.assert_equal(mat.astype(np.float), result)
+        np.testing.assert_equal(mat.astype(float), result)
 
     def test_sanitize_matrix_float(self):
         mat = np.random.rand(2, 2)