diff --git a/package.json b/package.json
index 74d70110..c1a34e1f 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     },
     "optionalOkapiInterfaces": {
       "invoice": "7.0",
-      "erm": "5.0 6.0",
+      "erm": "5.0 6.0 7.0",
       "organizations": "1.0",
       "finance.exchange-rate": "1.0"
     },