diff --git a/schemas/artifacts.schema.json b/schemas/artifacts.schema.json
index f60f5bd..57d9430 100644
--- a/schemas/artifacts.schema.json
+++ b/schemas/artifacts.schema.json
@@ -27,6 +27,7 @@
             "PETS",
             "SC",
             "SOSP",
+            "SP",
             "SYSTEX",
             "USENIXSEC",
             "VEHICLESEC",