diff --git a/config/_default/config.yaml b/config/_default/config.yaml
index e2493e2..1600634 100644
--- a/config/_default/config.yaml
+++ b/config/_default/config.yaml
@@ -19,4 +19,5 @@ outputs:
     - HTML
     - RSS
     - JSON
-
+taxonomies:
+  series: "series"