diff --git a/src/commands/migrations/add/add.ts b/src/commands/migrations/add/add.ts
index 26232983..8b28cc8e 100644
--- a/src/commands/migrations/add/add.ts
+++ b/src/commands/migrations/add/add.ts
@@ -1,5 +1,6 @@
 import { logError, LogOptions } from "../../../log.js";
 import { addMigration, AddMigrationParams } from "../../../modules/migrations/add.js";
+import { MigrationModuleType } from "../../../modules/migrations/models/migration.js";
 import { RegisterCommand } from "../../../types/yargs.js";
 import { simplifyErrors } from "../../../utils/error.js";
 
@@ -88,7 +89,7 @@ const resolveParams = (args: AddMigrationCliParams): AddMigrationParams => {
 
   return {
     ...args,
-    type: args.type as "ts" | "js",
+    type: args.type as MigrationModuleType,
     ...orderParams,
   };
 };
diff --git a/src/modules/migrations/add.ts b/src/modules/migrations/add.ts
index 8945d571..730fcadf 100644
--- a/src/modules/migrations/add.ts
+++ b/src/modules/migrations/add.ts
@@ -3,6 +3,7 @@ import { existsSync } from "fs";
 import * as path from "path";
 
 import { logInfo, LogOptions } from "../../log.js";
+import { MigrationModuleType } from "./models/migration.js";
 import { handleErr } from "./utils/errUtils.js";
 import { createFolder, saveFile } from "./utils/fileUtils.js";
 import { generateJavascriptMigration, generateTypescriptMigration, getMigrationName } from "./utils/migrationUtils.js";
@@ -11,7 +12,7 @@ export type AddMigrationParams = Readonly<
   & {
     name: string;
     migrationsFolder?: string;
-    type: "js" | "ts";
+    type: MigrationModuleType;
   }
   & TimestampOrOrderParams
   & LogOptions
diff --git a/src/modules/migrations/models/migration.ts b/src/modules/migrations/models/migration.ts
index ab818852..02fc9936 100644
--- a/src/modules/migrations/models/migration.ts
+++ b/src/modules/migrations/models/migration.ts
@@ -3,6 +3,8 @@ import { z } from "zod";
 
 export type MigrationOrder = number | Date;
 
+export type MigrationModuleType = "js" | "ts";
+
 export type MigrationModule = Readonly<{
   order: MigrationOrder;
   run(apiClient: ManagementClient): Promise<void>;
diff --git a/src/modules/migrations/utils/migrationUtils.ts b/src/modules/migrations/utils/migrationUtils.ts
index 1eba78cb..0307bce3 100644
--- a/src/modules/migrations/utils/migrationUtils.ts
+++ b/src/modules/migrations/utils/migrationUtils.ts
@@ -8,7 +8,7 @@ import { match, P } from "ts-pattern";
 
 import { logError, logInfo, LogOptions } from "../../../log.js";
 import { seriallyReduce } from "../../../utils/requests.js";
-import { isMigrationModule, Migration, MigrationOrder } from "../models/migration.js";
+import { isMigrationModule, Migration, MigrationModuleType, MigrationOrder } from "../models/migration.js";
 import { MigrationOperation, MigrationStatus } from "../models/status.js";
 import { RunMigrationFilterParams } from "../run.js";
 import { WithErr } from "./errUtils.js";
@@ -23,7 +23,7 @@ export const formatDateForFileName = (date: Date) =>
   + `${("0" + date.getUTCMinutes()).slice(-2)}-`
   + `${("0" + date.getUTCSeconds()).slice(-2)}-`;
 
-export const getMigrationName = (name: string, type: "js" | "ts", prefix: Date | string | undefined) =>
+export const getMigrationName = (name: string, type: MigrationModuleType, prefix: Date | string | undefined) =>
   `${prefix instanceof Date ? formatDateForFileName(prefix) : prefix ?? ""}${name}.${type}`;
 
 export const generateTypescriptMigration = (order: Date | number | undefined): string =>