diff --git a/src/Sonarr.Api.V3/openapi.json b/src/Sonarr.Api.V3/openapi.json
index 4c4f2e5f5..f5b873b23 100644
--- a/src/Sonarr.Api.V3/openapi.json
+++ b/src/Sonarr.Api.V3/openapi.json
@@ -10324,6 +10324,11 @@
             "format": "date-time",
             "nullable": true
           },
+          "added": {
+            "type": "string",
+            "format": "date-time",
+            "nullable": true
+          },
           "status": {
             "type": "string",
             "nullable": true