When WordPress Says “No Update Required”… Over and Over

It’s a familiar story for anyone managing WordPress sites: you log into the admin dashboard, expecting to update a plugin or tweak a post, and suddenly you’re stuck in an endless redirect loop. The browser keeps sending you to /wp-admin/upgrade.php, only to greet you with the infuriating message — “No Update Required.”

You refresh, it happens again. Clear your browser cache? No luck. The site works fine on the frontend, but the admin panel just won’t let you in.

This article walks through why it happens and how to fix it — cleanly, safely, and with a few WP-CLI commands that will make you look like a pro.

Why This Happens

At the heart of it, WordPress thinks your database version and core code version don’t match. That mismatch triggers an automatic redirect to the upgrade script, even when no upgrade is actually needed.

But that’s not the whole story. In most cases, the real cause is stale cache data. If you’re using Redis, Memcached, or another object cache, WordPress might be holding onto an outdated record that tells it the database needs an update — even when it doesn’t.

Common culprits

1. Persistent object cache (Redis, Memcached, or APC/APCu) holding old schema info.
2. Database version mismatch between the wp_options value and the code’s $wp_db_version.
3. Lingering transients or updater locks.
4. Plugin redirects interfering with the login flow.
5. Incorrect site URLs in your configuration or database.

Step-by-Step: How to Fix the Loop

You don’t need to reinstall WordPress or restore backups. Follow these steps — in order — and you’ll have it sorted in minutes.

1) Clear the caches

If you have WP-CLI:

If Redis or Memcached is enabled, restart or flush those services too. You can also temporarily disable object caching:

2) Verify your core files

Make sure your WordPress files are intact:

If mismatches appear, reinstall core safely (your content stays untouched):

3) Compare the database version

WordPress stores its database schema version in two places: one in the code, one in the database.

Check the code’s version:

Check the database’s version:

If they don’t match, align them:

4) Clean up upgrade locks

Sometimes leftover transients or locks trick WordPress into thinking an upgrade is pending.

5) Disable all plugins (just temporarily)

A plugin might be redirecting you.

Try logging in again. If it works, restore the folder and re-enable plugins one at a time.

6) Double-check your URLs

Ensure the site URLs are correct both in wp-config.php and the database:

Fix mismatches or typos as needed.

7) Remove the .maintenance file (if it exists)

8) Restart PHP or your web server

This clears any stale opcode cache (like OPcache or APCu) that might still be referencing old code.

Mini Decision Tree

• Loop + Redis/Memcached active? → Flush Redis/Memcached, disable object-cache.php, then retry.
• wp core verify-checksums fails? → Run wp core download --force and test again.
• db_version ≠ $wp_db_version? → wp option update db_version <VALUE_FROM_wp_DB> and flush caches.
• Still looping after above? → Temporarily disable plugins, clear transients/locks, confirm URLs, restart PHP-FPM/Apache.

Operational Safety (Production)

• Snapshot first: Take a quick DB snapshot/backup before step 3 on production.
• Cautious cache flushing: In shared cache environments, prefer targeted key flushes over global FLUSHALL.
• No content risk: wp core download --force does not touch wp-content or your database.

Cache Service Commands (Handy References)

Tip: If you’re using a managed Redis/Memcached cluster, use its dashboard or a namespace-specific flush instead of global commands.

A Quick One-Liner (for Advanced Users)

If you just want to reset everything in one go:

For Multisite Users

If you’re running a multisite network, repeat the version check for each site:

Every site should report the same db_version as the main WordPress install.

Wrapping Up

This issue is frustrating, but it’s rarely catastrophic. The problem almost always comes down to a cache mismatch or a stale database value. Clearing caches and aligning versions usually resolves the redirect immediately.

If you manage multiple WordPress installations, adding a quick health check in your monitoring stack — one that tests /wp-admin responses — can help you catch this before clients do.