diff --git a/src/DrevOps/Sniffs/NamingConventions/AbstractVariableNamingSniff.php b/src/DrevOps/Sniffs/NamingConventions/AbstractVariableNamingSniff.php
index a106086..ca82d6f 100644
--- a/src/DrevOps/Sniffs/NamingConventions/AbstractVariableNamingSniff.php
+++ b/src/DrevOps/Sniffs/NamingConventions/AbstractVariableNamingSniff.php
@@ -311,6 +311,10 @@ protected function isProperty(File $phpcsFile, int $stackPtr): bool {
         T_TYPE_INTERSECTION,
         T_ATTRIBUTE,
         T_ATTRIBUTE_END,
+        // PHP 8+ namespaced type tokens.
+        T_NAME_FULLY_QUALIFIED,
+        T_NAME_QUALIFIED,
+        T_NAME_RELATIVE,
       ],
       $stackPtr - 1,
       NULL,
@@ -401,6 +405,10 @@ protected function isPromotedProperty(File $phpcs_file, int $stack_ptr): bool {
         T_TYPE_INTERSECTION,
         T_ATTRIBUTE,
         T_ATTRIBUTE_END,
+        // PHP 8+ namespaced type tokens.
+        T_NAME_FULLY_QUALIFIED,
+        T_NAME_QUALIFIED,
+        T_NAME_RELATIVE,
       ],
       $stack_ptr - 1,
       NULL,
diff --git a/tests/Fixtures/VariableNaming.php b/tests/Fixtures/VariableNaming.php
index 131d277..b95def6 100644
--- a/tests/Fixtures/VariableNaming.php
+++ b/tests/Fixtures/VariableNaming.php
@@ -14,6 +14,12 @@ class ClassWithMixedVariableNaming {
 
   public static $camelCaseStaticProperty;
 
+  protected ?string $nullableProperty = NULL;
+
+  protected ?\DOMDocument $xmlDom = NULL;
+
+  protected ?\DateTime $dateTime = NULL;
+
   public function methodWithMixedLocalVariables(): void {
     $valid_snake_case_local = 'valid';
     $another_valid_local = 123;
@@ -65,6 +71,7 @@ class ClassWithPromotedProperties {
   public function __construct(
     public string $promotedPropertyOne,
     public string $promoted_property_two,
+    public ?\DOMDocument $promotedNullableProperty = NULL,
   ) {
     $localVar = 'invalid';
     $valid_local = 'valid';
diff --git a/tests/Unit/AbstractVariableNamingSniffTest.php b/tests/Unit/AbstractVariableNamingSniffTest.php
index 1b65f00..2c249df 100644
--- a/tests/Unit/AbstractVariableNamingSniffTest.php
+++ b/tests/Unit/AbstractVariableNamingSniffTest.php
@@ -261,6 +261,26 @@ public static function providerIsProperty(): array {
         'bar',
         FALSE,
       ],
+      'typed_property' => [
+        '<?php class Test { protected string $typedProperty; }',
+        'typedProperty',
+        TRUE,
+      ],
+      'nullable_property' => [
+        '<?php class Test { protected ?string $nullableProperty = NULL; }',
+        'nullableProperty',
+        TRUE,
+      ],
+      'nullable_fully_qualified_property' => [
+        '<?php class Test { protected ?\DOMDocument $xmlDom = NULL; }',
+        'xmlDom',
+        TRUE,
+      ],
+      'nullable_qualified_property' => [
+        '<?php namespace App; class Test { protected ?Some\Type $property = NULL; }',
+        'property',
+        TRUE,
+      ],
     ];
   }
 
@@ -328,6 +348,16 @@ public static function providerIsPromotedProperty(): array {
         'variable',
         FALSE,
       ],
+      'promoted_nullable_property' => [
+        '<?php class Test { public function __construct(public ?string $property) {} }',
+        'property',
+        TRUE,
+      ],
+      'promoted_nullable_fully_qualified_property' => [
+        '<?php class Test { public function __construct(public ?\DOMDocument $dom) {} }',
+        'dom',
+        TRUE,
+      ],
     ];
   }