diff --git a/nostr_dvm/subscription.py b/nostr_dvm/subscription.py
index 7e42090..82dd3cd 100644
--- a/nostr_dvm/subscription.py
+++ b/nostr_dvm/subscription.py
@@ -57,7 +57,7 @@ class Subscription:
         if admin_config is not None:
             for key in admin_config.USERNPUBS:
                 authors.append(PublicKey.parse(key))
-        dvm_filter = Filter().authors(authors).pubkey(public_key).kinds([Kind(5906)]).since(Timestamp.now())
+        dvm_filter = Filter().authors(authors).pubkey(public_key).kinds([EventDefinitions.KIND_NIP90_DVM_SUBSCRIPTION]).since(Timestamp.now())
 
         self.client.subscribe([zap_filter, dvm_filter, cancel_subscription_filter], None)
 
@@ -208,7 +208,7 @@ class Subscription:
             self.subscription = subscription
 
         def handle(self, relay_url, subscription_id, nostr_event: Event):
-            if nostr_event.kind().as_u64() == 5906:  # TODO add to list of events
+            if nostr_event.kind().as_u64() == EventDefinitions.KIND_NIP90_DVM_SUBSCRIPTION.as_u64():
                 self.subscription.handle_nwc_request(nostr_event)
             elif nostr_event.kind().as_u64() == EventDefinitions.KIND_NIP88_STOP_SUBSCRIPTION_EVENT.as_u64():
                 self.subscription.handle_cancel(nostr_event)
diff --git a/nostr_dvm/utils/definitions.py b/nostr_dvm/utils/definitions.py
index a887d30..737d90e 100644
--- a/nostr_dvm/utils/definitions.py
+++ b/nostr_dvm/utils/definitions.py
@@ -36,6 +36,9 @@ class EventDefinitions:
     KIND_NIP90_RESULTS_CONTENT_SEARCH = Kind(6302)
     KIND_NIP90_USER_SEARCH = Kind(5303)
     KIND_NIP90_RESULTS_USER_SEARCH = Kind(6303)
+    KIND_NIP90_DVM_SUBSCRIPTION = Kind(5906)
+    KIND_NIP90_RESULT_DVM_SUBSCRIPTION = Kind(6906)
+
     KIND_NIP90_GENERIC = Kind(5999)
     KIND_NIP90_RESULT_GENERIC = Kind(6999)