diff --git a/composer.json b/composer.json
index 53194e0..d1b81a5 100644
--- a/composer.json
+++ b/composer.json
@@ -10,10 +10,10 @@
         }
     ],
     "require": {
-        "php": "^7.1 || ^8.0",
+        "php": "^7.4 || ^8.0",
         "ext-json": "*",
         "ext-pinpoint_php": "^0.5.2",
-        "nikic/php-parser": "^4.1"
+        "nikic/php-parser": "^5.0"
     },
     "autoload": {
         "psr-4": {
@@ -28,7 +28,7 @@
         "phpunit/phpunit": "^8",
         "phpbench/phpbench": "1.0.0",
         "ext-pinpoint_php": "^0.5.2",
-        "nikic/php-parser": "^4.1",
+        "nikic/php-parser": "^5.0",
         "predis/predis": "^3.0@alpha",
         "guzzlehttp/guzzle": "8.0.x-dev",
         "mongodb/mongodb": "v1.19.x-dev"
diff --git a/lib/Pinpoint/Common/GenProxyClassTemplateHelper.php b/lib/Pinpoint/Common/GenProxyClassTemplateHelper.php
index 6228670..4cb2029 100644
--- a/lib/Pinpoint/Common/GenProxyClassTemplateHelper.php
+++ b/lib/Pinpoint/Common/GenProxyClassTemplateHelper.php
@@ -159,7 +159,8 @@ public function handleClassLeaveMethodNode($node, $monitorClassFullName)
         // 1. make a new method overriding parent's
         $originMethodName = $node->name->toString();
         $newMethodName = $this->methodNewName($originMethodName);
-        $node->name = new Node\Name\FullyQualified($newMethodName);
+        // $node->name = new Node\Name\FullyQualified($newMethodName);
+        $node->name = new Node\Identifier($newMethodName);
 
         Logger::Inst()->debug("generate pinpoint code block for '$originMethodName'");
         $funcVar = new Node\Arg(new Node\Scalar\MagicConst\Method());
@@ -325,8 +326,8 @@ public function handleClassLeaveMethodNode($node, $monitorClassFullName)
                 $expArgs
             )
         );
-
-        $catchBlock[] = new Node\Stmt\Throw_(new Node\Expr\Variable("e"));
+        // "throw $e;"
+        $catchBlock[] = new Node\Stmt\Expression(new Node\Expr\Throw_(new Node\Expr\Variable("e")));
 
         $catchNode[] = new Node\Stmt\Catch_(
             [new Node\Name('\Exception')],
diff --git a/lib/Pinpoint/Common/OriginFileVisitor.php b/lib/Pinpoint/Common/OriginFileVisitor.php
index 8fa462d..15a056b 100644
--- a/lib/Pinpoint/Common/OriginFileVisitor.php
+++ b/lib/Pinpoint/Common/OriginFileVisitor.php
@@ -29,7 +29,8 @@ class OriginFileVisitor
     public function __construct()
     {
         $this->traverser = new NodeTraverser();
-        $this->phpFileParser = (new ParserFactory())->create(ParserFactory::ONLY_PHP7);
+        // $this->phpFileParser = (new ParserFactory())->create(ParserFactory::ONLY_PHP7);
+        $this->phpFileParser = (new ParserFactory())->createForHostVersion();
     }
 
     public function runAllVisitor(string $fullPath, AspectClassHandle $classHandler)
diff --git a/lib/Pinpoint/test/php_parse.php b/lib/Pinpoint/test/php_parse.php
index 72b94e0..1ee2bc8 100644
--- a/lib/Pinpoint/test/php_parse.php
+++ b/lib/Pinpoint/test/php_parse.php
@@ -7,12 +7,12 @@
 use PDO;
 use PhpParser\ParserFactory;
 use PhpParser\PrettyPrinter;
-$filename='Bear.php';
+$filename = 'Bear.php';
 $code = file_get_contents($filename);
 
 
-$parser = (new ParserFactory)->create(ParserFactory::ONLY_PHP7);
+$parser = (new ParserFactory)->createForHostVersion();
 $ast = $parser->parse($code);
 $prettyPrinter = new PrettyPrinter\Standard();
 echo $prettyPrinter->prettyPrintFile($ast);
-file_put_contents($filename.'_6.ast', print_r($ast,true));
\ No newline at end of file
+file_put_contents($filename . '_6.ast', print_r($ast, true));
\ No newline at end of file