diff --git a/setup.cfg b/setup.cfg
index 8965d958..3e36228c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -50,6 +50,7 @@ dev =
 aiidalab_qe.app.parameters = qeapp.yaml
 aiidalab_qe.app.static = *
 aiidalab_qe.app.structure.examples = *
+aiidalab_qe.plugins.xas = pseudo_toc.yaml
 
 [options.entry_points]
 aiidalab_qe.properties =