diff --git a/x-pack/plugins/ml/public/application/data_frame_analytics/common/fields.ts b/x-pack/plugins/ml/public/application/data_frame_analytics/common/fields.ts
index 785f3ac9cd4dc..d46adff3de2a3 100644
--- a/x-pack/plugins/ml/public/application/data_frame_analytics/common/fields.ts
+++ b/x-pack/plugins/ml/public/application/data_frame_analytics/common/fields.ts
@@ -33,6 +33,7 @@ export const MAX_COLUMNS = 10;
 export const DEFAULT_REGRESSION_COLUMNS = 8;
 
 export const BASIC_NUMERICAL_TYPES = new Set([
+  ES_FIELD_TYPES.UNSIGNED_LONG,
   ES_FIELD_TYPES.LONG,
   ES_FIELD_TYPES.INTEGER,
   ES_FIELD_TYPES.SHORT,
diff --git a/x-pack/plugins/ml/server/models/job_service/new_job_caps/field_service.ts b/x-pack/plugins/ml/server/models/job_service/new_job_caps/field_service.ts
index c3b1de64c3eb5..fec60f221b4fc 100644
--- a/x-pack/plugins/ml/server/models/job_service/new_job_caps/field_service.ts
+++ b/x-pack/plugins/ml/server/models/job_service/new_job_caps/field_service.ts
@@ -27,6 +27,7 @@ const supportedTypes: string[] = [
   ES_FIELD_TYPES.INTEGER,
   ES_FIELD_TYPES.FLOAT,
   ES_FIELD_TYPES.LONG,
+  ES_FIELD_TYPES.UNSIGNED_LONG,
   ES_FIELD_TYPES.BYTE,
   ES_FIELD_TYPES.HALF_FLOAT,
   ES_FIELD_TYPES.SCALED_FLOAT,
@@ -245,6 +246,7 @@ function getNumericalFields(fields: Field[]): Field[] {
   return fields.filter(
     (f) =>
       f.type === ES_FIELD_TYPES.LONG ||
+      f.type === ES_FIELD_TYPES.UNSIGNED_LONG ||
       f.type === ES_FIELD_TYPES.INTEGER ||
       f.type === ES_FIELD_TYPES.SHORT ||
       f.type === ES_FIELD_TYPES.BYTE ||