diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ac3327..af77c6e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 
+## [0.0.1alpha6] - 25/04/2025
+
+### Fixes
+- Enforce strict types PHP
+
 ## [0.0.1alpha5] - 12/04/2025
 
 ### Additions
diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 03f8772..c641ab5 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -12,6 +12,7 @@ This is the list of individuals who have contributed to the project. If you've c
 
 <!-- Please add your name in alphabetical order -->
 
+- [Yassine Selmi](https://github.com/selmiyassine)
 - [Your name could be here!]
 
 ## How to Contribute
diff --git a/README.md b/README.md
index 3ff8222..663c11c 100644
--- a/README.md
+++ b/README.md
@@ -348,6 +348,7 @@ The MIT License (MIT). Please see [License File](LICENSE) for more information.
 ## Credits
 
 - [Fallega HQ](https://github.com/fallegahq)
+- [Yassine Selmi](https://github.com/selmiyassine)
 - [All Contributors](CONTRIBUTORS.md)
 
 ## Made with 💕
diff --git a/VERSION b/VERSION
index 6a331f7..6dfc42f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.0.1alpha5
+0.0.1alpha6
diff --git a/examples/AdvancedExamples.php b/examples/AdvancedExamples.php
index 492b1ab..1cf9e6a 100644
--- a/examples/AdvancedExamples.php
+++ b/examples/AdvancedExamples.php
@@ -3,6 +3,8 @@
 /**
  * Made with love.
  */
+
+declare(strict_types = 1);
 namespace FallegaHQ\JsonTestUtils\Examples;
 
 use FallegaHQ\JsonTestUtils\JsonAssertions;
diff --git a/examples/ApiTestingExample.php b/examples/ApiTestingExample.php
index b562709..67e7f67 100644
--- a/examples/ApiTestingExample.php
+++ b/examples/ApiTestingExample.php
@@ -3,6 +3,8 @@
 /**
  * Made with love.
  */
+
+declare(strict_types = 1);
 namespace FallegaHQ\JsonTestUtils\Examples;
 
 use FallegaHQ\JsonTestUtils\JsonAssertions;
diff --git a/examples/BasicUsage.php b/examples/BasicUsage.php
index 863c0cd..5b3ec75 100644
--- a/examples/BasicUsage.php
+++ b/examples/BasicUsage.php
@@ -3,6 +3,8 @@
 /**
  * Made with love.
  */
+
+declare(strict_types = 1);
 namespace FallegaHQ\JsonTestUtils\Examples;
 
 use FallegaHQ\JsonTestUtils\JsonAssertions;
diff --git a/src/JsonValidationException.php b/src/JsonValidationException.php
index 33f9574..6c53dbc 100644
--- a/src/JsonValidationException.php
+++ b/src/JsonValidationException.php
@@ -3,6 +3,8 @@
 /**
  * Made with love.
  */
+
+declare(strict_types = 1);
 namespace FallegaHQ\JsonTestUtils;
 
 use InvalidArgumentException;
diff --git a/src/JsonValidatorAssertion.php b/src/JsonValidatorAssertion.php
index c01132b..84fd687 100644
--- a/src/JsonValidatorAssertion.php
+++ b/src/JsonValidatorAssertion.php
@@ -3,6 +3,8 @@
 /**
  * Made with love.
  */
+
+declare(strict_types = 1);
 namespace FallegaHQ\JsonTestUtils;
 
 use PHPUnit\Framework\Assert;