diff --git a/composer.json b/composer.json
index b027596..d2d7c76 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
         "illuminate/routing": "^8.0 || ^9.0",
         "illuminate/support": "^8.0 || ^9.0",
         "illuminate/view": "^8.0 || ^9.0",
-        "vimeo/psalm": "^4.8.1",
+        "vimeo/psalm": "^4.8.1|^5",
         "orchestra/testbench": "^6.22 || ^7.0",
         "barryvdh/laravel-ide-helper": "^2.10"
     },
diff --git a/src/Handlers/Eloquent/ModelRelationshipPropertyHandler.php b/src/Handlers/Eloquent/ModelRelationshipPropertyHandler.php
index 6ab89b1..1adc097 100644
--- a/src/Handlers/Eloquent/ModelRelationshipPropertyHandler.php
+++ b/src/Handlers/Eloquent/ModelRelationshipPropertyHandler.php
@@ -118,10 +118,7 @@ class ModelRelationshipPropertyHandler implements
 
                 $relationType = $atomicType;
 
-                foreach ($atomicType->getChildNodes() as $childNode) {
-                    if (!$childNode instanceof Union) {
-                        continue;
-                    }
+                foreach ($atomicType->type_params as $childNode) {
                     foreach ($childNode->getAtomicTypes() as $atomicType) {
                         if (!$atomicType instanceof Type\Atomic\TNamedObject) {
                             continue;
diff --git a/src/Handlers/SuppressHandler.php b/src/Handlers/SuppressHandler.php
index 118d551..f6ddb31 100644
--- a/src/Handlers/SuppressHandler.php
+++ b/src/Handlers/SuppressHandler.php
@@ -15,9 +15,6 @@ use function strtolower;
 
 class SuppressHandler implements AfterClassLikeVisitInterface
 {
-    /**
-     * @var array<string, list<class-string>>
-     */
     private const BY_CLASS = [
         'UnusedClass' => [
             'App\Console\Kernel',
@@ -33,18 +30,12 @@ class SuppressHandler implements AfterClassLikeVisitInterface
         ],
     ];
 
-    /**
-     * @var array<string, array<class-string, list<string>>>
-     */
     private const BY_CLASS_METHOD = [
         'PossiblyUnusedMethod' => [
             'App\Http\Middleware\RedirectIfAuthenticated' => ['handle'],
         ],
     ];
 
-    /**
-     * @var array<string, list<class-string>>
-     */
     private const BY_NAMESPACE = [
         'PropertyNotSetInConstructor' => [
             'App\Jobs',
@@ -55,9 +46,6 @@ class SuppressHandler implements AfterClassLikeVisitInterface
         ],
     ];
 
-    /**
-     * @var array<string, array<class-string, list<string>>>
-     */
     private const BY_NAMESPACE_METHOD = [
         'PossiblyUnusedMethod' => [
             'App\Events' => ['broadcastOn'],
@@ -67,9 +55,6 @@ class SuppressHandler implements AfterClassLikeVisitInterface
         ]
     ];
 
-    /**
-     * @var array<string, list<class-string>>
-     */
     private const BY_PARENT_CLASS = [
         'PropertyNotSetInConstructor' => [
             'Illuminate\Console\Command',
@@ -79,18 +64,12 @@ class SuppressHandler implements AfterClassLikeVisitInterface
         ],
     ];
 
-    /**
-     * @var array<string, array<class-string, list<string>>>
-     */
     private const BY_PARENT_CLASS_PROPERTY = [
         'NonInvariantDocblockPropertyType' => [
             'Illuminate\Console\Command' => ['description'],
         ],
     ];
 
-    /**
-     * @var array<string, array<class-string, list<string>>>
-     */
     private const BY_USED_TRAITS = [
         'PropertyNotSetInConstructor' => [
             'Illuminate\Queue\InteractsWithQueue',