diff --git a/src/Pecee/Http/Input/InputItem.php b/src/Pecee/Http/Input/InputItem.php
index c1668c6..4d574a8 100644
--- a/src/Pecee/Http/Input/InputItem.php
+++ b/src/Pecee/Http/Input/InputItem.php
@@ -89,6 +89,7 @@ public function offsetExists($offset): bool
         return isset($this->value[$offset]);
     }
 
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset): ?self
     {
         if ($this->offsetExists($offset) === true) {