diff --git a/composer.json b/composer.json
index 2ad526e..abcb1fc 100644
--- a/composer.json
+++ b/composer.json
@@ -30,6 +30,7 @@
         "dragon-code/benchmark": "^2.6",
         "ergebnis/composer-normalize": "^2.44.0",
         "friendsofphp/php-cs-fixer": "^3.64.0",
+        "php-defer/php-defer": "^5.0",
         "phpstan/phpstan": "^1.12.6",
         "phpunit/phpunit": "^10.5.36",
         "phpyh/coding-standard": "^2.6.2",
diff --git a/composer.lock b/composer.lock
index 5dbd04e..ccea8bb 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": "c1d9a7109f30053b5f9b13d5bef79d82",
+    "content-hash": "6e87d49fba51ad37732d79e631352694",
     "packages": [
         {
             "name": "nikic/php-parser",
@@ -1993,6 +1993,53 @@
             },
             "time": "2022-02-21T01:04:05+00:00"
         },
+        {
+            "name": "php-defer/php-defer",
+            "version": "v5.0.7",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-defer/php-defer.git",
+                "reference": "9f4183d6039e8337fefc3b5e73ed4ede58ee0bf7"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-defer/php-defer/zipball/9f4183d6039e8337fefc3b5e73ed4ede58ee0bf7",
+                "reference": "9f4183d6039e8337fefc3b5e73ed4ede58ee0bf7",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.4 || ^8.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9.5"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "src/functions.inc.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Bartłomiej Krukowski",
+                    "email": "bartlomiej@krukowski.me"
+                }
+            ],
+            "description": "Golang's defer statement for PHP",
+            "keywords": [
+                "defer",
+                "golang"
+            ],
+            "support": {
+                "issues": "https://github.com/php-defer/php-defer/issues",
+                "source": "https://github.com/php-defer/php-defer/tree/v5.0.7"
+            },
+            "time": "2023-09-21T16:38:54+00:00"
+        },
         {
             "name": "phpstan/phpstan",
             "version": "1.12.6",
@@ -6238,14 +6285,14 @@
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": {},
+    "stability-flags": [],
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
         "php": "^8.1",
         "ext-tokenizer": "*"
     },
-    "platform-dev": {},
+    "platform-dev": [],
     "platform-overrides": {
         "php": "8.1"
     },
diff --git a/tests/TyphoonReflectorMemoryTest.php b/tests/TyphoonReflectorMemoryTest.php
index c887237..3d791dc 100644
--- a/tests/TyphoonReflectorMemoryTest.php
+++ b/tests/TyphoonReflectorMemoryTest.php
@@ -12,24 +12,20 @@ final class TyphoonReflectorMemoryTest extends TestCase
 {
     public function testItIsGarbageCollected(): void
     {
-        $gcWasEnabled = gc_enabled();
-        gc_disable();
+        if (gc_enabled()) {
+            gc_disable();
+            defer($_, gc_enable(...));
+        }
 
-        try {
-            $reflector = TyphoonReflector::build();
-            $reflection = $reflector->reflectClass(\AppendIterator::class);
-            $weakReflector = \WeakReference::create($reflector);
-            $weakReflection = \WeakReference::create($reflection);
+        $reflector = TyphoonReflector::build();
+        $reflection = $reflector->reflectClass(\AppendIterator::class);
+        $weakReflector = \WeakReference::create($reflector);
+        $weakReflection = \WeakReference::create($reflection);
 
-            unset($reflection, $reflector);
+        unset($reflection, $reflector);
 
-            // assertTrue() is used instead of assertNull() to avoid huge reflector dump in the diff
-            self::assertTrue($weakReflector->get() === null, 'Reflector is not garbage collected.');
-            self::assertTrue($weakReflection->get() === null, 'ClassReflection is not garbage collected.');
-        } finally {
-            if ($gcWasEnabled) {
-                gc_enable();
-            }
-        }
+        // assertTrue() is used instead of assertNull() to avoid huge reflector dump in the diff
+        self::assertTrue($weakReflector->get() === null, 'Reflector is not garbage collected.');
+        self::assertTrue($weakReflection->get() === null, 'ClassReflection is not garbage collected.');
     }
 }