diff --git a/src/Illuminate/Cache/ArrayStore.php b/src/Illuminate/Cache/ArrayStore.php
index bfb8a2ca70dc..4cca8cbf6960 100644
--- a/src/Illuminate/Cache/ArrayStore.php
+++ b/src/Illuminate/Cache/ArrayStore.php
@@ -3,6 +3,7 @@
 namespace Illuminate\Cache;
 
 use Illuminate\Contracts\Cache\LockProvider;
+use Illuminate\Support\Carbon;
 use Illuminate\Support\InteractsWithTime;
 
 class ArrayStore extends TaggableStore implements LockProvider
@@ -57,7 +58,7 @@ public function get($key)
 
         $expiresAt = $item['expiresAt'] ?? 0;
 
-        if ($expiresAt !== 0 && (now()->getPreciseTimestamp(3) / 1000) >= $expiresAt) {
+        if ($expiresAt !== 0 && (Carbon::now()->getPreciseTimestamp(3) / 1000) >= $expiresAt) {
             $this->forget($key);
 
             return;
@@ -188,7 +189,7 @@ protected function calculateExpiration($seconds)
      */
     protected function toTimestamp($seconds)
     {
-        return $seconds > 0 ? (now()->getPreciseTimestamp(3) / 1000) + $seconds : 0;
+        return $seconds > 0 ? (Carbon::now()->getPreciseTimestamp(3) / 1000) + $seconds : 0;
     }
 
     /**