diff --git a/bootstrap/repl.php b/bootstrap/repl.php
index 7426efd..6b1f515 100644
--- a/bootstrap/repl.php
+++ b/bootstrap/repl.php
@@ -24,6 +24,6 @@ class_alias(DNSRecordCollection::class, 'DNSRecordCollection');
 $cloudFlareResolver = new \RemotelyLiving\PHPDNS\Resolvers\CloudFlare();
 $cloudFlareResolver->addSubscriber($IOSubscriber);
 
-$chainResolver = new \RemotelyLiving\PHPDNS\Resolvers\Chain([$cloudFlareResolver, $googleDNSResolver, $localSystemResolver]);
+$chainResolver = new \RemotelyLiving\PHPDNS\Resolvers\Chain($cloudFlareResolver, $googleDNSResolver, $localSystemResolver);
 $cachedResolver = new \RemotelyLiving\PHPDNS\Resolvers\Cached(new \Symfony\Component\Cache\Adapter\FilesystemAdapter(), $chainResolver);
 $cachedResolver->addSubscriber($IOSubscriber);
\ No newline at end of file
diff --git a/src/Resolvers/Cached.php b/src/Resolvers/Cached.php
index d81698b..ae5092c 100644
--- a/src/Resolvers/Cached.php
+++ b/src/Resolvers/Cached.php
@@ -39,6 +39,11 @@ public function __construct(CacheItemPoolInterface $cache, Resolver $resolver, i
         $this->ttlSeconds = $ttlSeconds;
     }
 
+    public function flush(): void
+    {
+        $this->cache->clear();
+    }
+
     protected function doQuery(Hostname $hostname, DNSRecordType $recordType): DNSRecordCollection
     {
         $cachedResult = $this->cache->getItem($this->buildCacheKey($hostname, $recordType));
diff --git a/src/Resolvers/Chain.php b/src/Resolvers/Chain.php
index caff493..81b9411 100644
--- a/src/Resolvers/Chain.php
+++ b/src/Resolvers/Chain.php
@@ -29,7 +29,7 @@ class Chain extends ResolverAbstract implements Interfaces\Chain
      */
     private $callThroughStrategy = self::STRATEGY_FIRST_TO_FIND;
 
-    public function __construct(array $resolvers = [])
+    public function __construct(Resolver...$resolvers)
     {
         foreach ($resolvers as $resolver) {
             $this->pushResolver($resolver);
@@ -45,7 +45,7 @@ public function pushResolver(Resolver...$resolvers): void
 
     public function withAllResults(): Interfaces\Chain
     {
-        $all = new self($this->resolvers);
+        $all = new self(...$this->resolvers);
         $all->callThroughStrategy = self::STRATEGY_ALL_RESULTS;
 
         return $all;
@@ -53,7 +53,7 @@ public function withAllResults(): Interfaces\Chain
 
     public function withFirstResults(): Interfaces\Chain
     {
-        $first = new self($this->resolvers);
+        $first = new self(...$this->resolvers);
         $first->callThroughStrategy = self::STRATEGY_FIRST_TO_FIND;
 
         return $first;
@@ -61,7 +61,7 @@ public function withFirstResults(): Interfaces\Chain
 
     public function withConsensusResults(): Interfaces\Chain
     {
-        $consensus = new self($this->resolvers);
+        $consensus = new self(...$this->resolvers);
         $consensus->callThroughStrategy = self::STRATEGY_CONSENSUS;
 
         return $consensus;
diff --git a/tests/Integration/BaseTestAbstract.php b/tests/Integration/BaseTestAbstract.php
index 54ee372..ee3448b 100644
--- a/tests/Integration/BaseTestAbstract.php
+++ b/tests/Integration/BaseTestAbstract.php
@@ -39,7 +39,7 @@ protected function createLocalSystemDNS(): LocalSystemDNS
 
     protected function createChainResolver(Resolver...$resolvers): Chain
     {
-        return new Chain($resolvers);
+        return new Chain(...$resolvers);
     }
 
     protected function createCachePool(): CacheItemPoolInterface
diff --git a/tests/Unit/Resolvers/ChainTest.php b/tests/Unit/Resolvers/ChainTest.php
index e83d471..b2a3e68 100644
--- a/tests/Unit/Resolvers/ChainTest.php
+++ b/tests/Unit/Resolvers/ChainTest.php
@@ -35,7 +35,7 @@ protected function setUp()
         $this->resolver1 = $this->createMock(ObservableResolver::class);
         $this->resolver2 = $this->createMock(ObservableResolver::class);
 
-        $this->chainResolver = new Chain([$this->resolver1, $this->resolver2]);
+        $this->chainResolver = new Chain($this->resolver1, $this->resolver2);
         $this->assertInstanceOf(ResolverAbstract::class, $this->chainResolver);
     }