diff --git a/edm4hep.yaml b/edm4hep.yaml
index c33f03a32..9e3069f91 100644
--- a/edm4hep.yaml
+++ b/edm4hep.yaml
@@ -1,5 +1,5 @@
 ---
-schema_version: 1
+schema_version: 2
 options:
   getSyntax: True
   exposePODMembers: False