diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 65065ca..ebddaa6 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -10,7 +10,7 @@ jobs:
             - uses: shivammathur/setup-php@v2
               with:
                   php-version: '7.2'
-                  tools: php-cs-fixer:3.2.1
+                  tools: php-cs-fixer:3.4.0
                   coverage: none
             - name: php-cs-fixer
               run: php-cs-fixer fix --dry-run --diff
diff --git a/Cli/Application.php b/Cli/Application.php
index 089e2f4..ab6cdf0 100644
--- a/Cli/Application.php
+++ b/Cli/Application.php
@@ -27,8 +27,9 @@
 
 class Application extends SymfonyApplication
 {
-    const APPLICATION_NAME = 'SymfonyInsight CLI';
-    const APPLICATION_VERSION = '1.7.4';
+    public const APPLICATION_NAME = 'SymfonyInsight CLI';
+
+    public const APPLICATION_VERSION = '1.7.4';
 
     private $api;
     private $apiConfig;
diff --git a/Cli/Descriptor/PmdDescriptor.php b/Cli/Descriptor/PmdDescriptor.php
index 63e6d7f..0c961c2 100644
--- a/Cli/Descriptor/PmdDescriptor.php
+++ b/Cli/Descriptor/PmdDescriptor.php
@@ -7,11 +7,15 @@
 
 class PmdDescriptor extends AbstractDescriptor
 {
-    const PHPMD_PRIORITY_HIGH = 1;
-    const PHPMD_PRIORITY_MEDIUM_HIGH = 2;
-    const PHPMD_PRIORITY_MEDIUM = 3;
-    const PHPMD_PRIORITY_MEDIUM_LOW = 4;
-    const PHPMD_PRIORITY_LOW = 5;
+    public const PHPMD_PRIORITY_HIGH = 1;
+
+    public const PHPMD_PRIORITY_MEDIUM_HIGH = 2;
+
+    public const PHPMD_PRIORITY_MEDIUM = 3;
+
+    public const PHPMD_PRIORITY_MEDIUM_LOW = 4;
+
+    public const PHPMD_PRIORITY_LOW = 5;
 
     protected function describeAnalysis(Analysis $analysis, array $options = [])
     {
diff --git a/Sdk/Api.php b/Sdk/Api.php
index 7b143b1..d8a5243 100644
--- a/Sdk/Api.php
+++ b/Sdk/Api.php
@@ -31,7 +31,7 @@
 
 class Api
 {
-    const ENDPOINT = 'https://insight.symfony.com';
+    public const ENDPOINT = 'https://insight.symfony.com';
 
     private $baseUrl;
     private $httpClient;
diff --git a/Sdk/Model/Analysis.php b/Sdk/Model/Analysis.php
index ba4d756..4c0df61 100644
--- a/Sdk/Model/Analysis.php
+++ b/Sdk/Model/Analysis.php
@@ -17,11 +17,15 @@
 
 class Analysis
 {
-    const STATUS_ORDERED = 'ordered';
-    const STATUS_RUNNING = 'running';
-    const STATUS_MEASURED = 'measured';
-    const STATUS_ANALYZED = 'analyzed';
-    const STATUS_FINISHED = 'finished';
+    public const STATUS_ORDERED = 'ordered';
+
+    public const STATUS_RUNNING = 'running';
+
+    public const STATUS_MEASURED = 'measured';
+
+    public const STATUS_ANALYZED = 'analyzed';
+
+    public const STATUS_FINISHED = 'finished';
 
     /**
      * @Type("array<SensioLabs\Insight\Sdk\Model\Link>")
diff --git a/Sdk/Model/Project.php b/Sdk/Model/Project.php
index 5c2c72a..09b4638 100644
--- a/Sdk/Model/Project.php
+++ b/Sdk/Model/Project.php
@@ -21,16 +21,25 @@ class Project
     /**
      * @see https://github.com/sensiolabs/connect/blob/master/src/SensioLabs/Connect/Api/Entity/Project.php
      */
-    const TYPE_PHP_WEBSITE = 0;
-    const TYPE_PHP_LIBRARY = 1;
-    const TYPE_SYMFONY2_BUNDLE = 2;
-    const TYPE_SYMFONY1_PLUGIN = 4;
-    const TYPE_OTHER = 6;
-    const TYPE_DRUPAL_MODULE = 7;
-    const TYPE_LARAVAL_WEB_PROJECT = 8;
-    const TYPE_SILEX_WEB_PROJECT = 9;
-    const TYPE_SYMFONY2_WEB_PROJECT = 10;
-    const TYPE_SYMFONY1_WEB_PROJECT = 11;
+    public const TYPE_PHP_WEBSITE = 0;
+
+    public const TYPE_PHP_LIBRARY = 1;
+
+    public const TYPE_SYMFONY2_BUNDLE = 2;
+
+    public const TYPE_SYMFONY1_PLUGIN = 4;
+
+    public const TYPE_OTHER = 6;
+
+    public const TYPE_DRUPAL_MODULE = 7;
+
+    public const TYPE_LARAVAL_WEB_PROJECT = 8;
+
+    public const TYPE_SILEX_WEB_PROJECT = 9;
+
+    public const TYPE_SYMFONY2_WEB_PROJECT = 10;
+
+    public const TYPE_SYMFONY1_WEB_PROJECT = 11;
 
     /**
      * @Exclude()