diff --git a/setup.cfg b/setup.cfg
index 618f2f4..78dad91 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -62,7 +62,7 @@ pb =
 [options.package_data]
 * = COPYING
 mzml2isa.templates = *.txt
-mzml2isa.ontologies = *.obo
+mzml2isa.ontologies = *.obo, *.owl
 
 [bdist_wheel]
 universal = true