diff --git a/shared/types/package.json b/shared/types/package.json
index 36d580d36..d7b59f684 100644
--- a/shared/types/package.json
+++ b/shared/types/package.json
@@ -23,6 +23,7 @@
     "type-check": "tsc --noEmit"
   },
   "devDependencies": {
+    "@socialgouv/cdtn-utils": "^4.156.1",
     "@socialgouv/kali-data-types": "^2.127.0",
     "@socialgouv/legi-data-types": "^2.73.1",
     "typescript": "^5.4.3"
diff --git a/shared/types/src/elastic/agreements.ts b/shared/types/src/elastic/agreements.ts
index 750135783..1195c1a62 100644
--- a/shared/types/src/elastic/agreements.ts
+++ b/shared/types/src/elastic/agreements.ts
@@ -1,9 +1,10 @@
+import { SOURCES } from "@socialgouv/cdtn-utils";
 import { AgreementDoc } from "../hasura";
 import { DocumentElasticWithSource } from "./common";
 
 export type ElasticAgreement = DocumentElasticWithSource<AgreementDoc> & {
   articlesByTheme: ArticleByTheme[];
-  source: "conventions_collectives";
+  source: typeof SOURCES.CCN;
   description: string;
   answers: AnswerByTheme[];
   contributions: boolean;
diff --git a/shared/types/src/elastic/code-du-travail.ts b/shared/types/src/elastic/code-du-travail.ts
index 6db89f6bc..66130ca54 100644
--- a/shared/types/src/elastic/code-du-travail.ts
+++ b/shared/types/src/elastic/code-du-travail.ts
@@ -1,6 +1,8 @@
+import { SOURCES } from "@socialgouv/cdtn-utils";
 import { LaborCodeDoc } from "../hasura";
 import { DocumentElasticWithSource } from "./common";
 
 export type ElasticLaborCodeArticle = DocumentElasticWithSource<
-  Omit<LaborCodeDoc, "cid">
+  Omit<LaborCodeDoc, "cid">,
+  typeof SOURCES.CDT
 >;
diff --git a/shared/types/src/elastic/common.ts b/shared/types/src/elastic/common.ts
index 26681489c..a701d8d19 100644
--- a/shared/types/src/elastic/common.ts
+++ b/shared/types/src/elastic/common.ts
@@ -1,9 +1,9 @@
-import { SourceRoute } from "@socialgouv/cdtn-sources";
+import { SourceKeys } from "@socialgouv/cdtn-utils";
 import { ContributionsAnswers } from "../hasura";
 
 export type DocumentElasticWithSource<
   T,
-  U extends SourceRoute = SourceRoute
+  U extends SourceKeys = SourceKeys
 > = DocumentElastic<U> & T;
 
 export type Breadcrumb = {
@@ -12,7 +12,7 @@ export type Breadcrumb = {
   slug: string;
 };
 
-export type DocumentElastic<T extends SourceRoute = SourceRoute> = {
+export type DocumentElastic<T extends SourceKeys = SourceKeys> = {
   id: string;
   cdtnId: string;
   breadcrumbs: Breadcrumb[];
@@ -27,7 +27,7 @@ export type DocumentElastic<T extends SourceRoute = SourceRoute> = {
   contribution?: ContributionsAnswers;
 };
 
-export type RelatedDocument<T extends SourceRoute = SourceRoute> = {
+export type RelatedDocument<T extends SourceKeys = SourceKeys> = {
   id: string;
   cdtnId: string;
   breadcrumbs: Breadcrumb[];
@@ -40,7 +40,7 @@ export type RelatedDocument<T extends SourceRoute = SourceRoute> = {
   url?: string; // Pour les outils externes
 };
 
-export type DocumentRef<T extends SourceRoute = SourceRoute> = Omit<
+export type DocumentRef<T extends SourceKeys = SourceKeys> = Omit<
   RelatedDocument<T>,
   "action" | "url" | "id"
 >;
diff --git a/shared/types/src/elastic/contributions.ts b/shared/types/src/elastic/contributions.ts
index 0e24a0813..aff2a5350 100644
--- a/shared/types/src/elastic/contributions.ts
+++ b/shared/types/src/elastic/contributions.ts
@@ -1,5 +1,6 @@
 import { ContributionDocumentJson, ContributionHighlight } from "../hasura";
 import { Breadcrumb, DocumentElasticWithSource } from "./common";
+import { SOURCES } from "@socialgouv/cdtn-utils";
 
 export interface ContributionConventionnelInfos {
   ccnSlug: string;
@@ -101,7 +102,7 @@ type ElasticSearchContributionBase = {
   description: string;
   slug: string;
   breadcrumbs: Breadcrumb[];
-  source: "contributions";
+  source: typeof SOURCES.CONTRIBUTIONS;
   linkedContent: ContributionLinkedContent[];
   references: ContributionRef[];
   idcc: string;
diff --git a/shared/types/src/elastic/editorial-content.ts b/shared/types/src/elastic/editorial-content.ts
index 3191ce1b4..d63dced9a 100644
--- a/shared/types/src/elastic/editorial-content.ts
+++ b/shared/types/src/elastic/editorial-content.ts
@@ -1,11 +1,12 @@
 import { EditorialContentDoc } from "../hasura";
 import { KeysToCamelCase } from "../utility";
 import { DocumentElasticWithSource } from "./common";
+import { SOURCES } from "@socialgouv/cdtn-utils";
 
 export type EditorialContentElasticDocument = Omit<
   DocumentElasticWithSource<
     KeysToCamelCase<EditorialContentDoc>,
-    "information"
+    typeof SOURCES.EDITORIAL_CONTENT
   >,
   "introWithGlossary"
 >;
diff --git a/shared/types/src/elastic/fiche-travail.ts b/shared/types/src/elastic/fiche-travail.ts
index f2d773043..63b52b470 100644
--- a/shared/types/src/elastic/fiche-travail.ts
+++ b/shared/types/src/elastic/fiche-travail.ts
@@ -1,8 +1,10 @@
 import { DocumentElasticWithSource } from "./common";
 import { FicheTravailEmploiDoc, Section } from "../hasura";
+import { SOURCES } from "@socialgouv/cdtn-utils";
 
 export type ElasticFicheTravailEmploi = DocumentElasticWithSource<
-  Omit<FicheTravailEmploiDoc, "sections">
+  Omit<FicheTravailEmploiDoc, "sections">,
+  typeof SOURCES.SHEET_MT_PAGE
 > & {
   sections: ElasticFicheTravailEmploiSection[];
 };
diff --git a/shared/types/src/elastic/highlights.ts b/shared/types/src/elastic/highlights.ts
index 80c3344c5..115c39150 100644
--- a/shared/types/src/elastic/highlights.ts
+++ b/shared/types/src/elastic/highlights.ts
@@ -1,7 +1,8 @@
 import { Highlight } from "../hasura";
 import { DocumentElasticWithSource } from "./common";
+import { SOURCES } from "@socialgouv/cdtn-utils";
 
 export type HighlightDocument = DocumentElasticWithSource<
   Highlight,
-  "highlights"
+  typeof SOURCES.HIGHLIGHTS
 >;
diff --git a/shared/types/src/elastic/modeles-de-courrier.ts b/shared/types/src/elastic/modeles-de-courrier.ts
index 8a56893cf..8c186b875 100644
--- a/shared/types/src/elastic/modeles-de-courrier.ts
+++ b/shared/types/src/elastic/modeles-de-courrier.ts
@@ -1,7 +1,8 @@
 import { DocumentElasticWithSource } from "./common";
 import { MailTemplateDoc } from "../hasura";
+import { SOURCES } from "@socialgouv/cdtn-utils";
 
 export type MailElasticDocument = DocumentElasticWithSource<
   MailTemplateDoc,
-  "modeles_de_courriers"
+  typeof SOURCES.LETTERS
 >;
diff --git a/shared/types/src/elastic/prequalified.ts b/shared/types/src/elastic/prequalified.ts
index 7aa7fe411..c29469a70 100644
--- a/shared/types/src/elastic/prequalified.ts
+++ b/shared/types/src/elastic/prequalified.ts
@@ -1,8 +1,9 @@
 import { PrequalifiedDoc } from "../hasura";
 import { DocumentElasticWithSource, RelatedDocument } from "./common";
+import { SOURCES } from "@socialgouv/cdtn-utils";
 
 export type PrequalifiedElasticDocument = Omit<
-  DocumentElasticWithSource<PrequalifiedDoc, "prequalified">,
+  DocumentElasticWithSource<PrequalifiedDoc, typeof SOURCES.PREQUALIFIED>,
   "slug" | "refs"
 > & {
   refs: RelatedDocument[];
diff --git a/shared/types/src/elastic/theme.ts b/shared/types/src/elastic/theme.ts
index c74807689..089e2b3c5 100644
--- a/shared/types/src/elastic/theme.ts
+++ b/shared/types/src/elastic/theme.ts
@@ -1,8 +1,9 @@
 import { DocumentElasticWithSource } from "./common";
+import { SOURCES } from "@socialgouv/cdtn-utils";
 
 export type ThemeElasticDocument = DocumentElasticWithSource<
   ThemeElastic,
-  "themes"
+  typeof SOURCES.THEMES
 >;
 
 export type ThemeElastic = {
diff --git a/shared/types/src/elastic/tools.ts b/shared/types/src/elastic/tools.ts
index 7285eb722..cc3ffde9c 100644
--- a/shared/types/src/elastic/tools.ts
+++ b/shared/types/src/elastic/tools.ts
@@ -1,3 +1,5 @@
+import { SOURCES } from "@socialgouv/cdtn-utils";
+
 export type Tool = {
   date: string;
   icon: string;
@@ -14,7 +16,7 @@ export type Tool = {
   isPublished: boolean;
   metaDescription: string;
   slug: string;
-  source: "outils";
+  source: typeof SOURCES.TOOLS;
   text: string;
   title: string;
   _id: string;
diff --git a/shared/types/src/hasura/agreement.ts b/shared/types/src/hasura/agreement.ts
index 9fcde9543..804adcf07 100644
--- a/shared/types/src/hasura/agreement.ts
+++ b/shared/types/src/hasura/agreement.ts
@@ -1,8 +1,9 @@
 import { IndexedAgreement } from "@socialgouv/kali-data-types";
 import { HasuraDocument } from "./common";
 import { ContributionHighlight } from "./contributions";
+import { SOURCES } from "@socialgouv/cdtn-utils";
 
-export type Agreement = HasuraDocument<AgreementDoc, "conventions_collectives">;
+export type Agreement = HasuraDocument<AgreementDoc, typeof SOURCES.CCN>;
 
 export type AgreementDoc = Pick<
   IndexedAgreement,
diff --git a/shared/types/src/hasura/code-du-travail.ts b/shared/types/src/hasura/code-du-travail.ts
index 7105c6252..b23113d5d 100644
--- a/shared/types/src/hasura/code-du-travail.ts
+++ b/shared/types/src/hasura/code-du-travail.ts
@@ -1,7 +1,8 @@
 import { CodeArticleData } from "@socialgouv/legi-data-types";
 import { HasuraDocument } from "./common";
+import { SOURCES } from "@socialgouv/cdtn-utils";
 
-export type LaborCodeArticle = HasuraDocument<LaborCodeDoc, "code_du_travail">;
+export type LaborCodeArticle = HasuraDocument<LaborCodeDoc, typeof SOURCES.CDT>;
 
 export type LaborCodeDoc = Pick<CodeArticleData, "cid" | "dateDebut" | "id"> & {
   description: string;
diff --git a/shared/types/src/hasura/common.ts b/shared/types/src/hasura/common.ts
index fe3b1f08b..a786de792 100644
--- a/shared/types/src/hasura/common.ts
+++ b/shared/types/src/hasura/common.ts
@@ -1,6 +1,6 @@
-import { SourceRoute } from "@socialgouv/cdtn-sources";
+import { SourceKeys } from "@socialgouv/cdtn-utils";
 
-export type HasuraDocument<T, U extends SourceRoute = SourceRoute> = {
+export type HasuraDocument<T, U extends SourceKeys = SourceKeys> = {
   cdtn_id: string;
   initial_id: string;
   source: U;
diff --git a/shared/types/src/hasura/editorial-content.ts b/shared/types/src/hasura/editorial-content.ts
index 7f8f7d032..3b60b57a4 100644
--- a/shared/types/src/hasura/editorial-content.ts
+++ b/shared/types/src/hasura/editorial-content.ts
@@ -1,3 +1,4 @@
+import { SOURCES } from "@socialgouv/cdtn-utils";
 import { HasuraDocument } from "./common";
 
 export enum EditorialContentType {
@@ -87,5 +88,5 @@ export type EditorialContentDoc = {
 
 export type EditorialContent = HasuraDocument<
   EditorialContentDoc,
-  "information"
+  typeof SOURCES.EDITORIAL_CONTENT
 >;
diff --git a/shared/types/src/hasura/fiche-sp.ts b/shared/types/src/hasura/fiche-sp.ts
index fcb01561f..d1d9ef8e8 100644
--- a/shared/types/src/hasura/fiche-sp.ts
+++ b/shared/types/src/hasura/fiche-sp.ts
@@ -1,8 +1,9 @@
+import { SOURCES } from "@socialgouv/cdtn-utils";
 import { HasuraDocument } from "./common";
 
 export type FicheServicePublic = HasuraDocument<
   FicheServicePublicDoc,
-  "fiches_service_public"
+  typeof SOURCES.SHEET_SP
 >;
 
 export interface FicheServicePublicDoc {
diff --git a/shared/types/src/hasura/fiche-travail.ts b/shared/types/src/hasura/fiche-travail.ts
index 3a18adfd7..345268e6c 100644
--- a/shared/types/src/hasura/fiche-travail.ts
+++ b/shared/types/src/hasura/fiche-travail.ts
@@ -1,8 +1,9 @@
+import { SOURCES } from "@socialgouv/cdtn-utils";
 import { HasuraDocument } from "./common";
 
 export type FicheTravailEmploi = HasuraDocument<
   FicheTravailEmploiDoc,
-  "fiches_ministere_travail"
+  typeof SOURCES.SHEET_MT_PAGE | typeof SOURCES.SHEET_MT
 >;
 
 export interface FicheTravailEmploiDoc {
diff --git a/shared/types/src/hasura/highlights.ts b/shared/types/src/hasura/highlights.ts
index f952d29cc..8d632a1d9 100644
--- a/shared/types/src/hasura/highlights.ts
+++ b/shared/types/src/hasura/highlights.ts
@@ -1,3 +1,4 @@
+import { SOURCES } from "@socialgouv/cdtn-utils";
 import { HasuraDocument } from "./common";
 
-export type Highlight = HasuraDocument<any, "highlights">;
+export type Highlight = HasuraDocument<any, typeof SOURCES.HIGHLIGHTS>;
diff --git a/shared/types/src/hasura/modeles-de-courrier.ts b/shared/types/src/hasura/modeles-de-courrier.ts
index ae6f78fde..4c3eca30e 100644
--- a/shared/types/src/hasura/modeles-de-courrier.ts
+++ b/shared/types/src/hasura/modeles-de-courrier.ts
@@ -1,8 +1,9 @@
+import { SOURCES } from "@socialgouv/cdtn-utils";
 import { HasuraDocument } from "./common";
 
 export type MailTemplate = HasuraDocument<
   MailTemplateDoc,
-  "modeles_de_courriers"
+  typeof SOURCES.LETTERS
 >;
 
 export type MailTemplateDoc = {
diff --git a/targets/export-elasticsearch/src/ingester/cdtnDocuments.ts b/targets/export-elasticsearch/src/ingester/cdtnDocuments.ts
index ed608f1fc..eae9787da 100644
--- a/targets/export-elasticsearch/src/ingester/cdtnDocuments.ts
+++ b/targets/export-elasticsearch/src/ingester/cdtnDocuments.ts
@@ -192,6 +192,7 @@ export async function cdtnDocumentsGen(
         references: section.references,
         title: section.title,
       })),
+      source: SOURCES.SHEET_MT_PAGE,
     })
   );
   logger.info(
diff --git a/yarn.lock b/yarn.lock
index 99e5488c7..2bd68022c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5681,6 +5681,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@socialgouv/cdtn-types@workspace:shared/types"
   dependencies:
+    "@socialgouv/cdtn-utils": ^4.156.1
     "@socialgouv/kali-data-types": ^2.127.0
     "@socialgouv/legi-data-types": ^2.73.1
     typescript: ^5.4.3
@@ -5716,6 +5717,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@socialgouv/cdtn-utils@npm:^4.156.1":
+  version: 4.156.1
+  resolution: "@socialgouv/cdtn-utils@npm:4.156.1"
+  checksum: 3429e6f801e7bc748a7fc666972fee2855627fab13a32fe902f6f39cb9aff332248cf83a8cd061b6e303f75a9e5bdffcfe8c91681fbd8da7770e759a41a405f9
+  languageName: node
+  linkType: hard
+
 "@socialgouv/contributions-data-types@npm:3.27.0":
   version: 3.27.0
   resolution: "@socialgouv/contributions-data-types@npm:3.27.0"