diff --git a/src/Selectors/MaskSelector.php b/src/Selectors/MaskSelector.php
index 65261b4..d9158a7 100644
--- a/src/Selectors/MaskSelector.php
+++ b/src/Selectors/MaskSelector.php
@@ -21,7 +21,7 @@
  * print_r($view->subview($selector)->toArray()); // [1, 3, 5]
  * ```
  */
-class MaskSelector implements MaskSelectorInterface
+final class MaskSelector implements MaskSelectorInterface
 {
     /**
      * @var array<bool> The array of boolean mask values to select elements based on.
diff --git a/src/Selectors/PipeSelector.php b/src/Selectors/PipeSelector.php
index d170c22..503a739 100644
--- a/src/Selectors/PipeSelector.php
+++ b/src/Selectors/PipeSelector.php
@@ -30,7 +30,7 @@
  * print_r($originalArray); // [1, 2, 3, 4, 55, 6, 77, 8, 9, 10]
  * ```
  */
-class PipeSelector implements PipeSelectorInterface
+final class PipeSelector implements PipeSelectorInterface
 {
     /**
      * @var array<ArraySelectorInterface> An array of selectors to be applied sequentially.
diff --git a/src/Selectors/SliceSelector.php b/src/Selectors/SliceSelector.php
index 26117eb..b68db22 100644
--- a/src/Selectors/SliceSelector.php
+++ b/src/Selectors/SliceSelector.php
@@ -38,7 +38,7 @@
  * print_r($view->subview($selector)->toArray()); // [9, 8, 7, 6, 5, 4, 3, 2]
  * ```
  */
-class SliceSelector extends Slice implements ArraySelectorInterface
+final class SliceSelector extends Slice implements ArraySelectorInterface
 {
     /**
      * Creates a new SliceSelector instance with the provided slice parameters.