diff --git a/.github/workflows/php-code-quality.yml b/.github/workflows/php-code-quality.yml
index 47997d7..4cc0391 100644
--- a/.github/workflows/php-code-quality.yml
+++ b/.github/workflows/php-code-quality.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
         matrix:
             operating-system: [ubuntu-latest]
-            php-versions: [ '8.3', '8.2', '8.1' ]
+            php-versions: [ '8.4', '8.3', '8.2', '8.1' ]
             dependency-stability: [ 'prefer-stable','prefer-lowest' ]
 
     runs-on: ${{ matrix.operating-system }}
diff --git a/.github/workflows/php-lint.yml b/.github/workflows/php-lint.yml
index 2579972..8ab4f87 100644
--- a/.github/workflows/php-lint.yml
+++ b/.github/workflows/php-lint.yml
@@ -25,6 +25,6 @@ jobs:
       run: composer run-script test
 
     - name: PHP Syntax Checker (Lint)
-      uses: StephaneBour/actions-php-lint@8.2
+      uses: StephaneBour/actions-php-lint@8.3
       with:
         dir: './src'
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f80d464..6fc694d 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 1.0.1 - WIP
+- Upgrade to PHP 8.4
+
 ## 1.0.0 - 2024-03-13
 - upgrading packages
 
diff --git a/src/Lens/Traits/ConfigLens.php b/src/Lens/Traits/ConfigLens.php
index f03e840..7c121ce 100644
--- a/src/Lens/Traits/ConfigLens.php
+++ b/src/Lens/Traits/ConfigLens.php
@@ -6,7 +6,7 @@
 
 trait ConfigLens
 {
-    public function getConfigsDatabaseFromEnv(ResultLens $results = null): \HiFolks\LaraLens\ResultLens
+    public function getConfigsDatabaseFromEnv(ResultLens|null $results = null): \HiFolks\LaraLens\ResultLens
     {
         if (is_null($results)) {
             $results = new ResultLens();
@@ -27,7 +27,7 @@ public function getConfigsDatabaseFromEnv(ResultLens $results = null): \HiFolks\
         return $results;
     }
 
-    public function checkDebugEnv(ResultLens $results = null): \HiFolks\LaraLens\ResultLens
+    public function checkDebugEnv(ResultLens|null $results = null): \HiFolks\LaraLens\ResultLens
     {
         if (is_null($results)) {
             $results  = new ResultLens();
@@ -52,7 +52,7 @@ public function checkDebugEnv(ResultLens $results = null): \HiFolks\LaraLens\Res
         return $results;
     }
 
-    public function getConfigsDatabase(ResultLens $results = null): \HiFolks\LaraLens\ResultLens
+    public function getConfigsDatabase(ResultLens|null $results = null): \HiFolks\LaraLens\ResultLens
     {
         if (is_null($results)) {
             $results = new ResultLens();