diff --git a/src/spikeinterface/sorters/external/herdingspikes.py b/src/spikeinterface/sorters/external/herdingspikes.py
index f3bbb530ef..94d66e7f86 100644
--- a/src/spikeinterface/sorters/external/herdingspikes.py
+++ b/src/spikeinterface/sorters/external/herdingspikes.py
@@ -131,7 +131,7 @@ def _run_from_folder(cls, sorter_output_folder, params, verbose):
 
         assert (
             lightning_api
-        ), "HerdingSpikes version <0.4.001 is no longer supported. To upgrade, run:\n>>> pip install --upgrade herdingspikes"
+        ), "HerdingSpikes version <0.4.1 is no longer supported. To upgrade, run:\n>>> pip install --upgrade herdingspikes"
 
         recording = cls.load_recording_from_folder(sorter_output_folder.parent, with_warnings=False)