diff --git a/src/Configuration/HostConfig.php b/src/Configuration/HostConfig.php
index de972f46..462fe21d 100644
--- a/src/Configuration/HostConfig.php
+++ b/src/Configuration/HostConfig.php
@@ -7,16 +7,19 @@
 class HostConfig extends HostConfigAbstract
 {
 
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return $this->data->offsetGet($offset);
     }
 
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value): void
     {
         $this->data->offsetSet($offset, $value);
     }
 
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset): void
     {
         $this->data->offsetUnset($offset);
diff --git a/src/Configuration/Storage/Node.php b/src/Configuration/Storage/Node.php
index 198ed724..2b7f03e2 100644
--- a/src/Configuration/Storage/Node.php
+++ b/src/Configuration/Storage/Node.php
@@ -182,6 +182,7 @@ public function set(string $key, Node $value): void
         $this->value[$key] = $value;
     }
 
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return $this->get($offset)->getValue();
@@ -192,6 +193,7 @@ public function offsetExists($offset): bool
         return $this->has($offset);
     }
 
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $value)
     {
         if (!$value instanceof Node) {
@@ -200,6 +202,7 @@ public function offsetSet($offset, $value)
         $this->set($offset, $value);
     }
 
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         unset($this->value[$offset]);