diff --git a/.eslintrc.cjs b/.eslintrc.cjs
index 4a23b91d1..c9d345bc6 100644
--- a/.eslintrc.cjs
+++ b/.eslintrc.cjs
@@ -19,6 +19,9 @@ module.exports = {
             parserOptions: {
                 sourceType: 'module',
             },
+            globals: {
+                globalThis: 'readonly',
+            },
         },
         {
             files: ['*.cjs'],
diff --git a/src/endpoints/caption.js b/src/endpoints/caption.js
index 01d931c61..8fc312ed7 100644
--- a/src/endpoints/caption.js
+++ b/src/endpoints/caption.js
@@ -1,6 +1,6 @@
 import express from 'express';
 import { jsonParser } from '../express-common.js';
-import { getPipeline, getRawImage } from '../transformers.mjs';
+import { getPipeline, getRawImage } from '../transformers.js';
 
 const TASK = 'image-to-text';
 
diff --git a/src/endpoints/classify.js b/src/endpoints/classify.js
index 7e0fd2393..02c35a161 100644
--- a/src/endpoints/classify.js
+++ b/src/endpoints/classify.js
@@ -1,6 +1,6 @@
 import express from 'express';
 
-import { getPipeline } from '../transformers.mjs';
+import { getPipeline } from '../transformers.js';
 import { jsonParser } from '../express-common.js';
 
 const TASK = 'text-classification';
diff --git a/src/endpoints/speech.js b/src/endpoints/speech.js
index eee6a7679..1f6514a59 100644
--- a/src/endpoints/speech.js
+++ b/src/endpoints/speech.js
@@ -2,7 +2,7 @@ import { Buffer } from 'node:buffer';
 import express from 'express';
 import wavefile from 'wavefile';
 import { jsonParser } from '../express-common.js';
-import { getPipeline } from '../transformers.mjs';
+import { getPipeline } from '../transformers.js';
 
 export const router = express.Router();
 
diff --git a/src/endpoints/tokenizers.js b/src/endpoints/tokenizers.js
index dd959a03f..02d5fcaa6 100644
--- a/src/endpoints/tokenizers.js
+++ b/src/endpoints/tokenizers.js
@@ -82,7 +82,7 @@ async function getPathToTokenizer(model, fallbackModel) {
             throw new Error('Failed to extract the file name from the URL');
         }
 
-        const CACHE_PATH = path.join(global.DATA_ROOT, '_cache');
+        const CACHE_PATH = path.join(globalThis.DATA_ROOT, '_cache');
         if (!fs.existsSync(CACHE_PATH)) {
             fs.mkdirSync(CACHE_PATH, { recursive: true });
         }
diff --git a/src/transformers.mjs b/src/transformers.js
similarity index 97%
rename from src/transformers.mjs
rename to src/transformers.js
index a4981a191..3413101a6 100644
--- a/src/transformers.mjs
+++ b/src/transformers.js
@@ -85,7 +85,7 @@ function getModelForTask(task) {
 
 async function migrateCacheToDataDir() {
     const oldCacheDir = path.join(process.cwd(), 'cache');
-    const newCacheDir = path.join(global.DATA_ROOT, '_cache');
+    const newCacheDir = path.join(globalThis.DATA_ROOT, '_cache');
 
     if (!fs.existsSync(newCacheDir)) {
         fs.mkdirSync(newCacheDir, { recursive: true });
@@ -130,7 +130,7 @@ export async function getPipeline(task, forceModel = '') {
         await tasks[task].pipeline.dispose();
     }
 
-    const cacheDir = path.join(global.DATA_ROOT, '_cache');
+    const cacheDir = path.join(globalThis.DATA_ROOT, '_cache');
     const model = forceModel || getModelForTask(task);
     const localOnly = getConfigValue('extras.disableAutoDownload', false);
     console.log('Initializing transformers.js pipeline for task', task, 'with model', model);
diff --git a/src/users.js b/src/users.js
index cf221c811..96e21c5ab 100644
--- a/src/users.js
+++ b/src/users.js
@@ -141,7 +141,7 @@ export async function migrateUserData() {
 
     console.log();
     console.log(color.magenta('Preparing to migrate user data...'));
-    console.log(`All public data will be moved to the ${global.DATA_ROOT} directory.`);
+    console.log(`All public data will be moved to the ${globalThis.DATA_ROOT} directory.`);
     console.log('This process may take a while depending on the amount of data to move.');
     console.log(`Backups will be placed in the ${PUBLIC_DIRECTORIES.backups} directory.`);
     console.log(`The process will start in ${TIMEOUT} seconds. Press Ctrl+C to cancel.`);
@@ -412,11 +412,11 @@ export function toAvatarKey(handle) {
  * @returns {Promise<void>}
  */
 export async function initUserStorage(dataRoot) {
-    global.DATA_ROOT = dataRoot;
-    console.log('Using data root:', color.green(global.DATA_ROOT));
+    globalThis.DATA_ROOT = dataRoot;
+    console.log('Using data root:', color.green(globalThis.DATA_ROOT));
     console.log();
     await storage.init({
-        dir: path.join(global.DATA_ROOT, '_storage'),
+        dir: path.join(globalThis.DATA_ROOT, '_storage'),
         ttl: false, // Never expire
     });
 
@@ -517,7 +517,7 @@ export function getUserDirectories(handle) {
 
     const directories = structuredClone(USER_DIRECTORY_TEMPLATE);
     for (const key in directories) {
-        directories[key] = path.join(global.DATA_ROOT, handle, USER_DIRECTORY_TEMPLATE[key]);
+        directories[key] = path.join(globalThis.DATA_ROOT, handle, USER_DIRECTORY_TEMPLATE[key]);
     }
     DIRECTORIES_CACHE.set(handle, directories);
     return directories;
diff --git a/src/util.js b/src/util.js
index b3a6cca75..7cebdc031 100644
--- a/src/util.js
+++ b/src/util.js
@@ -305,8 +305,8 @@ export const color = {
  * @returns {string} A UUIDv4 string
  */
 export function uuidv4() {
-    if ('crypto' in global && 'randomUUID' in global.crypto) {
-        return global.crypto.randomUUID();
+    if ('crypto' in globalThis && 'randomUUID' in globalThis.crypto) {
+        return globalThis.crypto.randomUUID();
     }
     return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
         const r = Math.random() * 16 | 0;
diff --git a/src/vectors/embedding.js b/src/vectors/embedding.js
index a3d499014..b28fcc967 100644
--- a/src/vectors/embedding.js
+++ b/src/vectors/embedding.js
@@ -1,4 +1,4 @@
-import { getPipeline } from '../transformers.mjs';
+import { getPipeline } from '../transformers.js';
 const TASK = 'feature-extraction';
 
 /**