diff --git a/src/config.ts b/src/config.ts
index ac03254..6ee232c 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -65,10 +65,12 @@ export const instanceConfigFields: IntegrationInstanceConfigFieldMap = {
   bulkIngestIssues: {
     type: 'boolean',
     mask: false,
+    optional: true,
   },
   customFields: {
     type: 'json',
     mask: false,
+    optional: true,
   },
 };