diff --git a/composer.json b/composer.json
index 1726403..4210c96 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,8 @@
         "opis/closure": "Allow to serialize PHP closures"
     },
     "require-dev": {
-        "phpunit/phpunit": ">=8 <12.0"
+        "phpunit/phpunit": ">=8 <12.0",
+        "opis/closure": "^3.0 || ^4.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/JsonSerializer/ClosureSerializer/OpisClosureSerializer.php b/src/JsonSerializer/ClosureSerializer/OpisClosureSerializer.php
index b9c4ab2..bf5f65f 100644
--- a/src/JsonSerializer/ClosureSerializer/OpisClosureSerializer.php
+++ b/src/JsonSerializer/ClosureSerializer/OpisClosureSerializer.php
@@ -15,6 +15,9 @@ class OpisClosureSerializer implements ClosureSerializer {
      */
     public function serialize(Closure $closure)
     {
+        if (function_exists('Opis\Closure\serialize')) {
+            return \Opis\Closure\serialize($closure);
+        }
         return serialize(new OpisSerializableClosure($closure));
     }
 
@@ -26,6 +29,9 @@ public function serialize(Closure $closure)
      */
     public function unserialize($serialized)
     {
+        if (function_exists('Opis\Closure\unserialize')) {
+            return \Opis\Closure\unserialize($serialized);
+        }
         return unserialize($serialized)->getClosure();
     }