diff --git a/composer.lock b/composer.lock
index 22253df..c89022d 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,23 +1,23 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
     "content-hash": "dd473628e0115fbb49dae14426b86f75",
     "packages": [
         {
             "name": "nikic/php-parser",
-            "version": "v4.0.1",
+            "version": "v4.10.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "e4a54fa90a5cd8e8dd3fb4099942681731c5cdd3"
+                "reference": "c6d052fc58cb876152f89f532b95a8d7907e7f0e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/e4a54fa90a5cd8e8dd3fb4099942681731c5cdd3",
-                "reference": "e4a54fa90a5cd8e8dd3fb4099942681731c5cdd3",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/c6d052fc58cb876152f89f532b95a8d7907e7f0e",
+                "reference": "c6d052fc58cb876152f89f532b95a8d7907e7f0e",
                 "shasum": ""
             },
             "require": {
@@ -25,7 +25,8 @@
                 "php": ">=7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^6.5 || ^7.0"
+                "ircmaxell/php-yacc": "^0.0.7",
+                "phpunit/phpunit": "^6.5 || ^7.0 || ^8.0 || ^9.0"
             },
             "bin": [
                 "bin/php-parse"
@@ -33,7 +34,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.0-dev"
+                    "dev-master": "4.9-dev"
                 }
             },
             "autoload": {
@@ -55,7 +56,11 @@
                 "parser",
                 "php"
             ],
-            "time": "2018-03-25T17:35:16+00:00"
+            "support": {
+                "issues": "https://github.com/nikic/PHP-Parser/issues",
+                "source": "https://github.com/nikic/PHP-Parser/tree/v4.10.4"
+            },
+            "time": "2020-12-20T10:01:03+00:00"
         }
     ],
     "packages-dev": [],
@@ -67,5 +72,6 @@
     "platform": {
         "php": ">=7.0"
     },
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.0.0"
 }