diff --git a/spikeinterface/extractors/neoextractors/ced.py b/spikeinterface/extractors/neoextractors/ced.py
index 3b6483c224..b2870acab2 100644
--- a/spikeinterface/extractors/neoextractors/ced.py
+++ b/spikeinterface/extractors/neoextractors/ced.py
@@ -27,7 +27,7 @@ def __init__(self, file_path, stream_id=None, all_annotations=False):
         neo_kwargs = {'filename': str(file_path)}
         NeoBaseRecordingExtractor.__init__(self, stream_id=stream_id, all_annotations=all_annotations, **neo_kwargs)
         self._kwargs.update(dict(file_path=str(file_path)))
-        self.extra_requirements.append('sonpy')
+        self.extra_requirements.append('neo[ced]')
 
 
 
diff --git a/spikeinterface/extractors/neoextractors/edf.py b/spikeinterface/extractors/neoextractors/edf.py
index 6407be5d90..0696762cc3 100644
--- a/spikeinterface/extractors/neoextractors/edf.py
+++ b/spikeinterface/extractors/neoextractors/edf.py
@@ -26,7 +26,7 @@ def __init__(self, file_path, stream_id=None, all_annotations=False):
         neo_kwargs = {'filename': str(file_path)}
         NeoBaseRecordingExtractor.__init__(self, stream_id=stream_id, all_annotations=all_annotations, **neo_kwargs)
         self._kwargs.update({'file_path': str(file_path)})
-        self.extra_requirements.append('pyedflib')
+        self.extra_requirements.append('neo[edf]')
 
 
-read_edf = define_function_from_class(source_class=EDFRecordingExtractor, name="read_edf")
\ No newline at end of file
+read_edf = define_function_from_class(source_class=EDFRecordingExtractor, name="read_edf")
diff --git a/spikeinterface/extractors/neoextractors/nix.py b/spikeinterface/extractors/neoextractors/nix.py
index 358b3943c2..b88ef731fb 100644
--- a/spikeinterface/extractors/neoextractors/nix.py
+++ b/spikeinterface/extractors/neoextractors/nix.py
@@ -30,7 +30,7 @@ def __init__(self, file_path, stream_id=None, all_annotations=False):
         neo_kwargs = {'filename': str(file_path)}
         NeoBaseRecordingExtractor.__init__(self, stream_id=stream_id, all_annotations=all_annotations, **neo_kwargs)
         self._kwargs.update(dict(file_path=str(file_path), stream_id=stream_id))
-        self.extra_requirements.append('nixio')
+        self.extra_requirements.append('neo[nixio]')
 
 
 read_nix = define_function_from_class(source_class=NixRecordingExtractor, name="read_nix")
diff --git a/spikeinterface/extractors/neoextractors/openephys.py b/spikeinterface/extractors/neoextractors/openephys.py
index dfcdd4c80b..349db4b3e6 100644
--- a/spikeinterface/extractors/neoextractors/openephys.py
+++ b/spikeinterface/extractors/neoextractors/openephys.py
@@ -93,7 +93,6 @@ def __init__(self, folder_path, stream_id=None, all_annotations=False):
             sample_shifts = get_neuropixels_sample_shifts(self.get_num_channels(), num_channels_per_adc)
             self.set_property("inter_sample_shift", sample_shifts)
 
-
         self._kwargs .update(dict(folder_path=str(folder_path)))