diff --git a/functionMap.php b/functionMap.php
index 17f0291..f109857 100644
--- a/functionMap.php
+++ b/functionMap.php
@@ -192,4 +192,5 @@
     'size_format' => ["(\$bytes is not numeric ? false : (\$bytes is negative-int|'0' ? false : string))"],
     'WP_Translations::translate' => ['($singular is null ? null : string)'],
     'WP_Translations::translate_plural' => ['($singular is null ? null : ($plural is null ? T : string))', '@phpstan-template T' => 'of string|null', 'singular' => 'T', 'count' => 'int'],
+	'WP_Query' => [null, '@phpstan-property-read bool $query_vars_changed' => '', '@phpstan-property-read bool|string $query_vars_hash' => '', '@phpstan-method void init_query_flags()' => ''],
 ];
diff --git a/tests/TypeInferenceTest.php b/tests/TypeInferenceTest.php
index b2edf2f..3d827e5 100644
--- a/tests/TypeInferenceTest.php
+++ b/tests/TypeInferenceTest.php
@@ -55,6 +55,7 @@ public function dataFileAsserts(): iterable
         yield from $this->gatherAssertTypes(__DIR__ . '/data/wp_list_categories.php');
         yield from $this->gatherAssertTypes(__DIR__ . '/data/wp_list_pages.php');
         yield from $this->gatherAssertTypes(__DIR__ . '/data/wp_parse_list.php');
+        yield from $this->gatherAssertTypes(__DIR__ . '/data/wp_query.php');
         yield from $this->gatherAssertTypes(__DIR__ . '/data/wp_rest_request.php');
         yield from $this->gatherAssertTypes(__DIR__ . '/data/wp_tag_cloud.php');
         yield from $this->gatherAssertTypes(__DIR__ . '/data/wp_theme.php');
diff --git a/tests/data/wp_query.php b/tests/data/wp_query.php
new file mode 100644
index 0000000..bdfed51
--- /dev/null
+++ b/tests/data/wp_query.php
@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpStubs\WordPress\Core\Tests;
+
+use function PHPStan\Testing\assertType;
+use WP_Query;
+
+$wpQuery = new WP_Query();
+
+assertType('bool', $wpQuery->query_vars_changed);
+assertType('string|bool', $wpQuery->$query_vars_hash);
+assertType('void', $wpQuery->init_query_flags());
diff --git a/wordpress-stubs.php b/wordpress-stubs.php
index ef7e231..ec7eaee 100644
--- a/wordpress-stubs.php
+++ b/wordpress-stubs.php
@@ -46297,6 +46297,9 @@ public function to_array()
      *
      * @since 1.5.0
      * @since 4.5.0 Removed the `$comments_popup` property.
+     * @phpstan-property-read bool $query_vars_changed
+     * @phpstan-property-read bool|string $query_vars_hash
+     * @phpstan-method void init_query_flags()
      */
     #[\AllowDynamicProperties]
     class WP_Query