diff --git a/shared/helpers/openapi/__snapshots__/generateOpenapi.test.ts.snap b/shared/helpers/openapi/__snapshots__/generateOpenapi.test.ts.snap
index d590d82d6..e59d1c7b2 100644
--- a/shared/helpers/openapi/__snapshots__/generateOpenapi.test.ts.snap
+++ b/shared/helpers/openapi/__snapshots__/generateOpenapi.test.ts.snap
@@ -58,7 +58,7 @@ exports[`generateOpenApiSchema > should generate proper schema 1`] = `
           "applicant_file_name": {
             "description": "Nom du fichier du CV du candidat. Seuls les .docx et .pdf sont autorisés.",
             "minLength": 1,
-            "pattern": "((.*?))(\\.)+(docx|pdf)$",
+            "pattern": "((.*?))(\\.)+([Dd][Oo][Cc][Xx]|[Pp][Dd][Ff])$",
             "type": "string",
           },
           "applicant_first_name": {
diff --git a/shared/models/applications.model.ts b/shared/models/applications.model.ts
index 249b9d6c5..6a5aa576c 100644
--- a/shared/models/applications.model.ts
+++ b/shared/models/applications.model.ts
@@ -39,7 +39,7 @@ export const ZApplication = z
     applicant_attachment_name: z
       .string()
       .min(1)
-      .regex(/((.*?))(\.)+(docx|pdf)$/i)
+      .regex(/((.*?))(\.)+([Dd][Oo][Cc][Xx]|[Pp][Dd][Ff])$/i)
       .describe("Nom du fichier du CV du candidat. Seuls les .docx et .pdf sont autorisés."),
     applicant_message_to_company: z.string().nullable().describe("Un message du candidat vers le recruteur. Ce champ peut contenir la lettre de motivation du candidat."),
     job_searched_by_user: z.string().nullish().describe("Métier recherché par le candidat"),