diff --git a/composer.json b/composer.json
index e8b4006..6c1296f 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
 	"require": {
 		"php": ">= 8",
 		"ext-json": "*",
-		"predis/predis": "^1.1",
+		"predis/predis": "^1.1.10",
 		"psr/log": "*",
 		"psr/cache": "^3.0.0",
 		"psr/simple-cache": "^3.0.0"
@@ -36,15 +36,15 @@
 	"require-dev": {
 		"ext-apcu": "*",
 		"ext-memcached": "*",
-		"consolidation/robo": "^3.0.6",
-		"monolog/monolog": "^2.3.5",
-		"pdepend/pdepend": "^2.2",
-		"phploc/phploc": "^7.0",
-		"phpmd/phpmd": "^2.4",
-		"phpunit/phpunit": "^9.5.0",
+		"consolidation/robo": "^3.0.11",
+		"monolog/monolog": "^2.8.0",
+		"pdepend/pdepend": "^2.12.1",
+		"phploc/phploc": "^7.0.2",
+		"phpmd/phpmd": "^2.13",
+		"phpunit/phpunit": "^9.6.0",
 		"sebastian/phpcpd": "^6.0.3",
-		"squizlabs/php_codesniffer": "^3.3.2",
-		"phpstan/phpstan": "^1.2.0"
+		"squizlabs/php_codesniffer": "^3.7.1",
+		"phpstan/phpstan": "^1.9.14"
 	},
 	"suggest": {
 		"monolog/monolog": "A good standard logging library",
diff --git a/src/Driver/MemcachedDriver.php b/src/Driver/MemcachedDriver.php
index e6fd11a..d98f5b6 100644
--- a/src/Driver/MemcachedDriver.php
+++ b/src/Driver/MemcachedDriver.php
@@ -28,7 +28,7 @@ use MemcachedException;
 class MemcachedDriver extends AbstractDriver {
 
 	/**
-	 * @var Memcached
+	 * The Memcached connection
 	 */
 	private Memcached $conn;
 
@@ -184,7 +184,6 @@ class MemcachedDriver extends AbstractDriver {
 
 		$deleted = $this->conn->deleteMulti($keys);
 
-		// @phpstan-ignore-next-line
 		if (is_array($deleted))
 		{
 			foreach ($deleted as $key => $status)
@@ -197,8 +196,6 @@ class MemcachedDriver extends AbstractDriver {
 
 			return TRUE;
 		}
-
-		return FALSE;
 	}
 
 	/**
diff --git a/src/Item.php b/src/Item.php
index 04fda48..2f496e8 100644
--- a/src/Item.php
+++ b/src/Item.php
@@ -59,7 +59,7 @@ class Item implements CacheItemInterface {
 	 *
 	 * @var mixed
 	 */
-	protected $value;
+	protected mixed $value = null;
 
 	/**
 	 * Create a Cache Item object
@@ -157,7 +157,7 @@ class Item implements CacheItemInterface {
 	 * @return static
 	 *   The called object.
 	 */
-	public function expiresAt($expiration = NULL): static
+	public function expiresAt(DateTimeInterface $expiration = NULL): static
 	{
 		if ($expiration instanceof DateTimeInterface)
 		{
@@ -172,7 +172,7 @@ class Item implements CacheItemInterface {
 	/**
 	 * Sets the expiration time for this cache item.
 	 *
-	 * @param int|DateInterval|null $time
+	 * @param DateInterval|int|null $time
 	 *   The period of time from the present after which the item MUST be considered
 	 *   expired. An integer parameter is understood to be the time in seconds until
 	 *   expiration. If null is passed explicitly, a default value MAY be used.
@@ -182,7 +182,7 @@ class Item implements CacheItemInterface {
 	 * @return static
 	 *   The called object.
 	 */
-	public function expiresAfter($time = NULL): static
+	public function expiresAfter(DateInterval|int $time = NULL): static
 	{
 		if ($time instanceof DateInterval)
 		{
diff --git a/src/ItemCollection.php b/src/ItemCollection.php
index 673d50f..4dda120 100644
--- a/src/ItemCollection.php
+++ b/src/ItemCollection.php
@@ -42,7 +42,7 @@ class ItemCollection extends ArrayIterator implements JsonSerializable {
 	 * @param array $items - array of CacheItemInterface objects
 	 * @param int $flags - flags
 	 */
-	public function __construct(array $items = [], $flags = 0)
+	public function __construct(array $items = [], int $flags = 0)
 	{
 		parent::__construct($items, $flags);
 		$this->items = $items;
diff --git a/src/LoggerTrait.php b/src/LoggerTrait.php
index cccbdc8..a5c5b9e 100644
--- a/src/LoggerTrait.php
+++ b/src/LoggerTrait.php
@@ -32,8 +32,6 @@ trait LoggerTrait {
 	/**
 	 * Return the existing logger instance or
 	 * a NullLogger, if no instance set
-	 *
-	 * @return LoggerInterface
 	 */
 	protected function getLogger(): LoggerInterface
 	{
@@ -46,9 +44,6 @@ trait LoggerTrait {
 
 	/**
 	 * Set a logger to keep track of errors
-	 *
-	 * @param LoggerInterface $logger
-	 * @return self
 	 */
 	public function setLogger(LoggerInterface $logger): self
 	{
diff --git a/src/_Driver.php b/src/_Driver.php
index d4f9b87..3767b89 100644
--- a/src/_Driver.php
+++ b/src/_Driver.php
@@ -39,7 +39,7 @@ trait _Driver {
 	protected function loadDriver(array $driverConfig = []): AbstractDriver
 	{
 		$driver = ucfirst(strtolower($driverConfig['driver'] ?? 'null'));
-		$class = __NAMESPACE__ . "\\Driver\\${driver}Driver";
+		$class = __NAMESPACE__ . "\\Driver\\{$driver}Driver";
 
 		$driverConfig['connection'] = $driverConfig['connection'] ?? [];
 		$driverConfig['options'] = $driverConfig['options'] ?? [];
diff --git a/tests/ItemTest.php b/tests/ItemTest.php
index ed58ec0..daa8f3f 100644
--- a/tests/ItemTest.php
+++ b/tests/ItemTest.php
@@ -60,10 +60,11 @@ class ItemTest extends TestCase {
 		$friend = new Friend($this->item);
 		$this->assertEquals($expected, $friend->expiresAt, "DateTimeInterface");
 
-		$time2 = strtotime("July 16, 2024");
+		$time2stamp = strtotime("July 16, 2024");
+		$time2 = new DateTime("July 16, 2024");
 		$this->item->expiresAt($time2);
 		$friend2 = new Friend($this->item);
-		$this->assertEquals($time2, $friend2->expiresAt, "Unix Timestamp");
+		$this->assertEquals($time2stamp, $friend2->expiresAt, "Unix Timestamp");
 	}
 
 	public function testExpiresAfter(): void