diff --git a/packages/cli/src/commands/start-worker.ts b/packages/cli/src/commands/start-worker.js
similarity index 90%
rename from packages/cli/src/commands/start-worker.ts
rename to packages/cli/src/commands/start-worker.js
index a33061da..14f644f7 100644
--- a/packages/cli/src/commands/start-worker.ts
+++ b/packages/cli/src/commands/start-worker.js
@@ -1,6 +1,7 @@
 import { readFileSync } from 'fs';
 import { Command, Flags } from '@oclif/core';
 import * as dotenv from 'dotenv';
+import process from 'process';
 
 export default class StartWorker extends Command {
   static description = 'Run automatisch worker';
@@ -13,7 +14,7 @@ export default class StartWorker extends Command {
     'env-file': Flags.string(),
   };
 
-  async prepareEnvVars(): Promise<void> {
+  async prepareEnvVars() {
     const { flags } = await this.parse(StartWorker);
 
     if (flags['env-file']) {
@@ -37,11 +38,11 @@ export default class StartWorker extends Command {
     delete process.env.SERVE_WEB_APP_SEPARATELY;
   }
 
-  async runWorker(): Promise<void> {
+  async runWorker() {
     await import('@automatisch/backend/worker');
   }
 
-  async run(): Promise<void> {
+  async run() {
     await this.prepareEnvVars();
 
     await this.runWorker();
diff --git a/packages/cli/src/commands/start.ts b/packages/cli/src/commands/start.js
similarity index 90%
rename from packages/cli/src/commands/start.ts
rename to packages/cli/src/commands/start.js
index 44c4b09a..577bd309 100644
--- a/packages/cli/src/commands/start.ts
+++ b/packages/cli/src/commands/start.js
@@ -1,6 +1,7 @@
 import { readFileSync } from 'fs';
 import { Command, Flags } from '@oclif/core';
 import * as dotenv from 'dotenv';
+import process from 'process';
 
 export default class Start extends Command {
   static description = 'Run automatisch';
@@ -17,7 +18,7 @@ export default class Start extends Command {
     return process.env.APP_ENV === 'production';
   }
 
-  async prepareEnvVars(): Promise<void> {
+  async prepareEnvVars() {
     const { flags } = await this.parse(Start);
 
     if (flags['env-file']) {
@@ -41,7 +42,7 @@ export default class Start extends Command {
     delete process.env.SERVE_WEB_APP_SEPARATELY;
   }
 
-  async createDatabaseAndUser(): Promise<void> {
+  async createDatabaseAndUser() {
     const utils = await import('@automatisch/backend/database-utils');
 
     await utils.createDatabaseAndUser(
@@ -50,7 +51,7 @@ export default class Start extends Command {
     );
   }
 
-  async runMigrationsIfNeeded(): Promise<void> {
+  async runMigrationsIfNeeded() {
     const { logger } = await import('@automatisch/backend/logger');
     const database = await import('@automatisch/backend/database');
     const migrator = database.client.migrate;
@@ -69,17 +70,17 @@ export default class Start extends Command {
     }
   }
 
-  async seedUser(): Promise<void> {
+  async seedUser() {
     const utils = await import('@automatisch/backend/database-utils');
 
     await utils.createUser();
   }
 
-  async runApp(): Promise<void> {
+  async runApp() {
     await import('@automatisch/backend/server');
   }
 
-  async run(): Promise<void> {
+  async run() {
     await this.prepareEnvVars();
 
     if (!this.isProduction) {
diff --git a/packages/cli/src/index.ts b/packages/cli/src/index.js
similarity index 100%
rename from packages/cli/src/index.ts
rename to packages/cli/src/index.js
diff --git a/packages/cli/tsconfig.json b/packages/cli/tsconfig.json
index 61195f40..61ccc6b3 100644
--- a/packages/cli/tsconfig.json
+++ b/packages/cli/tsconfig.json
@@ -1,11 +1,13 @@
 {
   "compilerOptions": {
     "declaration": true,
+    "allowJs": true,
     "esModuleInterop": true,
     "importHelpers": true,
     "lib": ["es2021"],
     "module": "commonjs",
     "moduleResolution": "node",
+    "noImplicitAny": false,
     "outDir": "dist",
     "rootDir": "src",
     "skipLibCheck": true,