diff --git a/composer.json b/composer.json
index 74312a4..e312c7b 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
 	},
 	"require-dev": {
 		"automattic/vipwpcs": "^3.0",
-		"johnpbloch/wordpress-core": "^6.3.2",
+		"johnpbloch/wordpress-core": "^6.4.0",
 		"php-stubs/wordpress-stubs": "^6.3.2",
 		"phpcompatibility/phpcompatibility-wp": "^2.1.4",
 		"psalm/plugin-phpunit": "^0.18.4",
diff --git a/composer.lock b/composer.lock
index 8f8001f..2e74dac 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "0fdc6964176da157151b4981103df8fa",
+    "content-hash": "2d6a62a4b6aa2932ffbd597b93aa7f8a",
     "packages": [
         {
             "name": "composer/installers",
@@ -1106,16 +1106,16 @@
         },
         {
             "name": "johnpbloch/wordpress-core",
-            "version": "6.3.2",
+            "version": "6.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/johnpbloch/wordpress-core.git",
-                "reference": "0a18695e2ae028ea8485c45053c14525544c1dc7"
+                "reference": "9affce6bea176c5449353603f888cc6b8b066778"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/johnpbloch/wordpress-core/zipball/0a18695e2ae028ea8485c45053c14525544c1dc7",
-                "reference": "0a18695e2ae028ea8485c45053c14525544c1dc7",
+                "url": "https://api.github.com/repos/johnpbloch/wordpress-core/zipball/9affce6bea176c5449353603f888cc6b8b066778",
+                "reference": "9affce6bea176c5449353603f888cc6b8b066778",
                 "shasum": ""
             },
             "require": {
@@ -1123,7 +1123,7 @@
                 "php": ">=7.0.0"
             },
             "provide": {
-                "wordpress/core-implementation": "6.3.2"
+                "wordpress/core-implementation": "6.4.0"
             },
             "type": "wordpress-core",
             "notification-url": "https://packagist.org/downloads/",
@@ -1150,7 +1150,7 @@
                 "source": "https://core.trac.wordpress.org/browser",
                 "wiki": "https://codex.wordpress.org/"
             },
-            "time": "2023-10-12T19:02:24+00:00"
+            "time": "2023-11-07T19:31:18+00:00"
         },
         {
             "name": "myclabs/deep-copy",