diff --git a/README.md b/README.md
index 6aa8db7..1b40987 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@ A Caching library implementing the PSR-6 interface for several common cache
 backends
 
 ## Cache Backends
+* Apcu
 * Memcache
 * Memcached
 * Redis
@@ -42,7 +43,7 @@ structure is like so:
 ```php
 <?php
 $config = [
-	'driver' => 'null', // null, redis, memcache, memcached
+	'driver' => 'null', // null, apcu, redis, memcache, memcached
 	'connection' => [
 		// driver setup, see below for the structure for each
 		// driver
@@ -70,5 +71,5 @@ $config['connection'] = [
 Redis:
 See [Predis](https://github.com/nrk/predis#connecting-to-redis) documentation. An empty array will connect to localhost on port 6379.
 
-Null:
+Null, Apcu:
 No connection parameters
\ No newline at end of file