diff --git a/CHANGELOG.md b/CHANGELOG.md
index f86049c0..9121890d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ The file format of it is based on [Keep a Changelog](http://keepachangelog.com/e
 For public Changelog covering all changes done to Pipedrive’s API, webhooks and app extensions platforms, see [public Changelog](https://pipedrive.readme.io/docs/changelog) with discussion area in [Developers Community](https://devcommunity.pipedrive.com/c/documentation/changelog/19).
 
 ## [Unreleased]
+### Fixed
+- Fixed incorrect `custom_fields` schema implementations by using the proper shared definition from `custom-fields.yaml`
 
 ## [29.2.2] - 2025-09-08
 ### Fixed
diff --git a/src/versions/v1/models/add-activity-request-all-of.ts b/src/versions/v1/models/add-activity-request-all-of.ts
index a6a9a739..a5e06db5 100644
--- a/src/versions/v1/models/add-activity-request-all-of.ts
+++ b/src/versions/v1/models/add-activity-request-all-of.ts
@@ -20,6 +20,8 @@
 * @interface AddActivityRequestAllOf
 */
 export interface AddActivityRequestAllOf {
+    [key: string]: any | any;
+
     /**
     * The note of the activity (HTML format)
     * @type {string}
diff --git a/src/versions/v1/models/add-note-request-all-of.ts b/src/versions/v1/models/add-note-request-all-of.ts
index b307e8db..aa924188 100644
--- a/src/versions/v1/models/add-note-request-all-of.ts
+++ b/src/versions/v1/models/add-note-request-all-of.ts
@@ -20,6 +20,8 @@
 * @interface AddNoteRequestAllOf
 */
 export interface AddNoteRequestAllOf {
+    [key: string]: any | any;
+
     /**
     * The content of the note in HTML format. Subject to sanitization on the back-end.
     * @type {string}
diff --git a/src/versions/v1/models/add-organization-request-all-of.ts b/src/versions/v1/models/add-organization-request-all-of.ts
index d98e745a..05f27e60 100644
--- a/src/versions/v1/models/add-organization-request-all-of.ts
+++ b/src/versions/v1/models/add-organization-request-all-of.ts
@@ -20,6 +20,8 @@
 * @interface AddOrganizationRequestAllOf
 */
 export interface AddOrganizationRequestAllOf {
+    [key: string]: any | any;
+
     /**
     * The name of the organization
     * @type {string}
diff --git a/src/versions/v1/models/add-person-request-all-of.ts b/src/versions/v1/models/add-person-request-all-of.ts
index 36f16f2c..b047d13c 100644
--- a/src/versions/v1/models/add-person-request-all-of.ts
+++ b/src/versions/v1/models/add-person-request-all-of.ts
@@ -20,6 +20,8 @@
 * @interface AddPersonRequestAllOf
 */
 export interface AddPersonRequestAllOf {
+    [key: string]: any | any;
+
     /**
     * The name of the person
     * @type {string}
diff --git a/src/versions/v1/models/add-product-request-all-of1.ts b/src/versions/v1/models/add-product-request-all-of1.ts
index 28e2b7b3..999179a9 100644
--- a/src/versions/v1/models/add-product-request-all-of1.ts
+++ b/src/versions/v1/models/add-product-request-all-of1.ts
@@ -20,6 +20,8 @@
 * @interface AddProductRequestAllOf1
 */
 export interface AddProductRequestAllOf1 {
+    [key: string]: any | any;
+
     /**
     * Only available in Growth and above plans  How often a customer is billed for access to a service or product 
     * @type {string}
diff --git a/src/versions/v1/models/basic-deal.ts b/src/versions/v1/models/basic-deal.ts
index 69d2e610..e70ac1dd 100644
--- a/src/versions/v1/models/basic-deal.ts
+++ b/src/versions/v1/models/basic-deal.ts
@@ -20,6 +20,8 @@
 * @interface BasicDeal
 */
 export interface BasicDeal {
+    [key: string]: any | any;
+
     /**
     * The optional date and time of changing the deal status as won in UTC. Format: YYYY-MM-DD HH:MM:SS. Can be set only when deal `status` is already Won. Can not be used together with `lost_time`.
     * @type {string}
diff --git a/src/versions/v1/models/basic-organization.ts b/src/versions/v1/models/basic-organization.ts
index cf2ec9d0..bdb7e212 100644
--- a/src/versions/v1/models/basic-organization.ts
+++ b/src/versions/v1/models/basic-organization.ts
@@ -20,6 +20,8 @@
 * @interface BasicOrganization
 */
 export interface BasicOrganization {
+    [key: string]: any | any;
+
     /**
     * The ID of the user who will be marked as the owner of this organization. When omitted, the authorized user ID will be used.
     * @type {number}
diff --git a/src/versions/v1/models/index.ts b/src/versions/v1/models/index.ts
index 11c027cb..92fde7a0 100644
--- a/src/versions/v1/models/index.ts
+++ b/src/versions/v1/models/index.ts
@@ -122,12 +122,10 @@ export * from './base-team-additional-properties';
 export * from './base-user';
 export * from './base-webhook';
 export * from './basic-deal';
-export * from './basic-deal1';
 export * from './basic-deal-product-request';
 export * from './basic-deal-product-request-all-of';
 export * from './basic-goal-request';
 export * from './basic-organization';
-export * from './basic-organization1';
 export * from './basic-person-request';
 export * from './basic-person-request-email-inner';
 export * from './call-log-bad-request-response';
diff --git a/src/versions/v1/models/update-activity-request-all-of.ts b/src/versions/v1/models/update-activity-request-all-of.ts
index f9dc674d..c6c725e8 100644
--- a/src/versions/v1/models/update-activity-request-all-of.ts
+++ b/src/versions/v1/models/update-activity-request-all-of.ts
@@ -20,6 +20,8 @@
 * @interface UpdateActivityRequestAllOf
 */
 export interface UpdateActivityRequestAllOf {
+    [key: string]: any | any;
+
     /**
     * The note of the activity (HTML format)
     * @type {string}
diff --git a/src/versions/v1/models/update-deal-request.ts b/src/versions/v1/models/update-deal-request.ts
index 24634f1b..cb09a641 100644
--- a/src/versions/v1/models/update-deal-request.ts
+++ b/src/versions/v1/models/update-deal-request.ts
@@ -15,7 +15,7 @@
 
 // May contain unused imports in some cases
 // @ts-ignore
-import { BasicDeal1 } from './basic-deal1';
+import { BasicDeal } from './basic-deal';
 // May contain unused imports in some cases
 // @ts-ignore
 import { DealTitleParam } from './deal-title-param';
@@ -27,6 +27,6 @@ import { UpdateDealParameters } from './update-deal-parameters';
  * @type UpdateDealRequest
  * @export
  */
-export type UpdateDealRequest = BasicDeal1 & DealTitleParam & UpdateDealParameters;
+export type UpdateDealRequest = BasicDeal & DealTitleParam & UpdateDealParameters;
 
 
diff --git a/src/versions/v1/models/update-organization-request.ts b/src/versions/v1/models/update-organization-request.ts
index 07f8e933..95f9d24f 100644
--- a/src/versions/v1/models/update-organization-request.ts
+++ b/src/versions/v1/models/update-organization-request.ts
@@ -15,7 +15,7 @@
 
 // May contain unused imports in some cases
 // @ts-ignore
-import { BasicOrganization1 } from './basic-organization1';
+import { BasicOrganization } from './basic-organization';
 // May contain unused imports in some cases
 // @ts-ignore
 import { UpdateOrganizationRequestAllOf } from './update-organization-request-all-of';
@@ -24,6 +24,6 @@ import { UpdateOrganizationRequestAllOf } from './update-organization-request-al
  * @type UpdateOrganizationRequest
  * @export
  */
-export type UpdateOrganizationRequest = BasicOrganization1 & UpdateOrganizationRequestAllOf;
+export type UpdateOrganizationRequest = BasicOrganization & UpdateOrganizationRequestAllOf;