diff --git a/data/avro-schema/src/main/resources/avro/net/corda/data/membership/db/response/query/PersistenceFailedResponse.avsc b/data/avro-schema/src/main/resources/avro/net/corda/data/membership/db/response/query/PersistenceFailedResponse.avsc
index 816601b9bd..bf898cb884 100644
--- a/data/avro-schema/src/main/resources/avro/net/corda/data/membership/db/response/query/PersistenceFailedResponse.avsc
+++ b/data/avro-schema/src/main/resources/avro/net/corda/data/membership/db/response/query/PersistenceFailedResponse.avsc
@@ -13,7 +13,7 @@
       "type": {
         "type": "enum",
         "name": "ErrorKind",
-        "symbols": ["GENERAL", "INVALID_ENTITY_UPDATE"]
+        "symbols": ["GENERAL", "INVALID_ENTITY_UPDATE", "NOT_FOUND", "CONFLICT"]
       },
       "doc": "The kind of error that caused the failure"
     }
diff --git a/gradle.properties b/gradle.properties
index f1370d2c0f..80ac23357b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ cordaProductVersion = 5.3.0
 # NOTE: update this each time this module contains a breaking change
 ## NOTE: currently this is a top level revision, so all API versions will line up, but this could be moved to
 ##   a per module property in which case module versions can change independently.
-cordaApiRevision = 7
+cordaApiRevision = 8
 
 # Main
 kotlin.stdlib.default.dependency = false