diff --git a/CHANGELOG.md b/CHANGELOG.md
index bc7829aa..a49d5c0a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,10 @@ For a full diff see [`2.4.0...main`][2.4.0...main].
 
 - Added rule error identifiers ([#875]), by [@localheinz]
 
+### Changed
+
+- Removed dependency on `nikic/php-parser` ([#878]), by [@localheinz]
+
 ## [`2.4.0`][2.4.0]
 
 For a full diff see [`2.3.0...2.4.0`][2.3.0...2.4.0].
@@ -528,6 +532,7 @@ For a full diff see [`362c7ea...0.1.0`][362c7ea...0.1.0].
 [#862]: https://github.com/ergebnis/phpstan-rules/pull/862
 [#872]: https://github.com/ergebnis/phpstan-rules/pull/872
 [#875]: https://github.com/ergebnis/phpstan-rules/pull/875
+[#878]: https://github.com/ergebnis/phpstan-rules/pull/878
 
 [@enumag]: https://github.com/enumag
 [@ergebnis]: https://github.com/ergebnis
diff --git a/composer-require-checker.json b/composer-require-checker.json
index eccb3ff8..9db59de4 100644
--- a/composer-require-checker.json
+++ b/composer-require-checker.json
@@ -1,5 +1,25 @@
 {
   "symbol-whitelist": [
+    "PhpParser\\Comment\\Doc",
+    "PhpParser\\Node",
+    "PhpParser\\Node\\Expr\\Closure",
+    "PhpParser\\Node\\Expr\\ConstFetch",
+    "PhpParser\\Node\\Expr\\ErrorSuppress",
+    "PhpParser\\Node\\Expr\\Eval_",
+    "PhpParser\\Node\\Expr\\FuncCall",
+    "PhpParser\\Node\\Expr\\Isset_",
+    "PhpParser\\Node\\Identifier",
+    "PhpParser\\Node\\Name",
+    "PhpParser\\Node\\NullableType",
+    "PhpParser\\Node\\Param",
+    "PhpParser\\Node\\Scalar\\LNumber",
+    "PhpParser\\Node\\Stmt\\Class_",
+    "PhpParser\\Node\\Stmt\\ClassMethod",
+    "PhpParser\\Node\\Stmt\\Declare_",
+    "PhpParser\\Node\\Stmt\\Function_",
+    "PhpParser\\Node\\Stmt\\InlineHTML",
+    "PhpParser\\Node\\Stmt\\Switch_",
+    "PhpParser\\Node\\UnionType",
     "PHPStan\\Analyser\\Scope",
     "PHPStan\\Node\\FileNode",
     "PHPStan\\Reflection\\ClassReflection",
diff --git a/composer.json b/composer.json
index 32c88625..ef243211 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,6 @@
   "require": {
     "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0",
     "ext-mbstring": "*",
-    "nikic/php-parser": "^4.2.3 || ^5.0.0",
     "phpstan/phpstan": "^1.10.21"
   },
   "require-dev": {
diff --git a/composer.lock b/composer.lock
index 5e257e6a..4344e246 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,64 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "5c6f7d4a1f8a81b5c7c2e910b4b36c05",
+    "content-hash": "d6c110b8a356663f195c72e503ebd549",
     "packages": [
-        {
-            "name": "nikic/php-parser",
-            "version": "v4.19.4",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "715f4d25e225bc47b293a8b997fe6ce99bf987d2"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/715f4d25e225bc47b293a8b997fe6ce99bf987d2",
-                "reference": "715f4d25e225bc47b293a8b997fe6ce99bf987d2",
-                "shasum": ""
-            },
-            "require": {
-                "ext-tokenizer": "*",
-                "php": ">=7.1"
-            },
-            "require-dev": {
-                "ircmaxell/php-yacc": "^0.0.7",
-                "phpunit/phpunit": "^7.0 || ^8.0 || ^9.0"
-            },
-            "bin": [
-                "bin/php-parse"
-            ],
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "4.9-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "PhpParser\\": "lib/PhpParser"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-3-Clause"
-            ],
-            "authors": [
-                {
-                    "name": "Nikita Popov"
-                }
-            ],
-            "description": "A PHP parser written in PHP",
-            "keywords": [
-                "parser",
-                "php"
-            ],
-            "support": {
-                "issues": "https://github.com/nikic/PHP-Parser/issues",
-                "source": "https://github.com/nikic/PHP-Parser/tree/v4.19.4"
-            },
-            "time": "2024-09-29T15:01:53+00:00"
-        },
         {
             "name": "phpstan/phpstan",
             "version": "1.12.9",
@@ -2725,6 +2669,64 @@
             },
             "time": "2024-08-07T15:39:19+00:00"
         },
+        {
+            "name": "nikic/php-parser",
+            "version": "v5.3.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nikic/PHP-Parser.git",
+                "reference": "8eea230464783aa9671db8eea6f8c6ac5285794b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/8eea230464783aa9671db8eea6f8c6ac5285794b",
+                "reference": "8eea230464783aa9671db8eea6f8c6ac5285794b",
+                "shasum": ""
+            },
+            "require": {
+                "ext-ctype": "*",
+                "ext-json": "*",
+                "ext-tokenizer": "*",
+                "php": ">=7.4"
+            },
+            "require-dev": {
+                "ircmaxell/php-yacc": "^0.0.7",
+                "phpunit/phpunit": "^9.0"
+            },
+            "bin": [
+                "bin/php-parse"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "5.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "PhpParser\\": "lib/PhpParser"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Nikita Popov"
+                }
+            ],
+            "description": "A PHP parser written in PHP",
+            "keywords": [
+                "parser",
+                "php"
+            ],
+            "support": {
+                "issues": "https://github.com/nikic/PHP-Parser/issues",
+                "source": "https://github.com/nikic/PHP-Parser/tree/v5.3.1"
+            },
+            "time": "2024-10-08T18:51:32+00:00"
+        },
         {
             "name": "phar-io/manifest",
             "version": "2.0.4",
@@ -6419,14 +6421,14 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {},
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
         "php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0",
         "ext-mbstring": "*"
     },
-    "platform-dev": [],
+    "platform-dev": {},
     "platform-overrides": {
         "php": "8.1.26"
     },