diff --git a/pyproject.toml b/pyproject.toml
index 4ec57dad4a03f3e463e3a8ffa00d468182729886..130a69e02edf034d71dbb0c6b33ff071a1238c94 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -81,6 +81,7 @@ copy-absolutes = "geomagio.processing.copy_absolutes:main"
 copy-observatory = "geomagio.processing.copy_observatory:main"
 make-iaga = "geomagio.processing.make_iaga:main"
 copy-instrument = "geomagio.processing.copy_instrument:main"
+flag-spikes = "geomagio.processing.flag_spikes:main"
 
 [tool.poe.tasks]
 # e.g. "poetry run poe lint"