diff --git a/src/SAREhub/Microt/App/Request/AttributesValidator.php b/src/SAREhub/Microt/App/Request/AttributesValidator.php
index 241c89e..2e9b0c7 100644
--- a/src/SAREhub/Microt/App/Request/AttributesValidator.php
+++ b/src/SAREhub/Microt/App/Request/AttributesValidator.php
@@ -4,6 +4,7 @@
 namespace SAREhub\Microt\App\Request;
 
 
+use Respect\Validation\Validatable;
 use Respect\Validation\Validator;
 use SAREhub\Microt\Util\ValidatorHelper;
 use Slim\Http\Request;
@@ -20,7 +21,7 @@ class AttributesValidator implements RequestValidator
      */
     private $helper;
 
-    public function __construct(Validator $validator, ?ValidatorHelper $helper = null)
+    public function __construct(Validatable $validator, ?ValidatorHelper $helper = null)
     {
         $this->validator = $validator;
         $this->helper = $helper ?? new ValidatorHelper;
@@ -36,4 +37,4 @@ public function getName(): string
     {
         return "Request.Attributes";
     }
-}
\ No newline at end of file
+}
diff --git a/src/SAREhub/Microt/App/Request/ParsedBodyValidator.php b/src/SAREhub/Microt/App/Request/ParsedBodyValidator.php
index f940489..ecf091a 100644
--- a/src/SAREhub/Microt/App/Request/ParsedBodyValidator.php
+++ b/src/SAREhub/Microt/App/Request/ParsedBodyValidator.php
@@ -4,6 +4,7 @@
 namespace SAREhub\Microt\App\Request;
 
 
+use Respect\Validation\Validatable;
 use Respect\Validation\Validator;
 use SAREhub\Microt\Util\ValidatorHelper;
 use Slim\Http\Request;
@@ -21,7 +22,7 @@ class ParsedBodyValidator implements RequestValidator
      */
     private $helper;
 
-    public function __construct(Validator $validator, ?ValidatorHelper $helper = null)
+    public function __construct(Validatable $validator, ?ValidatorHelper $helper = null)
     {
         $this->validator = $validator;
         $this->helper = $helper ?? new ValidatorHelper;
diff --git a/src/SAREhub/Microt/App/Request/QueryParamsValidator.php b/src/SAREhub/Microt/App/Request/QueryParamsValidator.php
index b347fb8..f2c4a56 100644
--- a/src/SAREhub/Microt/App/Request/QueryParamsValidator.php
+++ b/src/SAREhub/Microt/App/Request/QueryParamsValidator.php
@@ -4,6 +4,7 @@
 namespace SAREhub\Microt\App\Request;
 
 
+use Respect\Validation\Validatable;
 use Respect\Validation\Validator;
 use SAREhub\Microt\Util\ValidatorHelper;
 use Slim\Http\Request;
@@ -20,7 +21,7 @@ class QueryParamsValidator implements RequestValidator
      */
     private $helper;
 
-    public function __construct(Validator $validator, ?ValidatorHelper $helper = null)
+    public function __construct(Validatable $validator, ?ValidatorHelper $helper = null)
     {
         $this->validator = $validator;
         $this->helper = $helper ?? new ValidatorHelper();
@@ -36,4 +37,4 @@ public function getName(): string
     {
         return "Request.QueryParams";
     }
-}
\ No newline at end of file
+}
diff --git a/src/SAREhub/Microt/App/Request/ValidationDefinitionHelper.php b/src/SAREhub/Microt/App/Request/ValidationDefinitionHelper.php
index 0631ca3..1710ad4 100644
--- a/src/SAREhub/Microt/App/Request/ValidationDefinitionHelper.php
+++ b/src/SAREhub/Microt/App/Request/ValidationDefinitionHelper.php
@@ -4,7 +4,11 @@
 namespace SAREhub\Microt\App\Request;
 
 
+use DI\Definition\Definition;
+use DI\Definition\Helper\DefinitionHelper;
+use Respect\Validation\Validatable;
 use function DI\create;
+use function DI\factory;
 
 class ValidationDefinitionHelper
 {
@@ -23,18 +27,40 @@ public static function middleware($requestValidatorDef)
         return create(RequestValidationMiddleware::class)->constructor($requestValidatorDef);
     }
 
+    /**
+     * @param Validatable|Definition|DefinitionHelper $validator
+     * @return Definition|DefinitionHelper
+     */
     public static function attributes($validator)
     {
-        return create(AttributesValidator::class)->constructor($validator);
+        return create(AttributesValidator::class)->constructor(self::validatorDef($validator));
     }
 
+    /**
+     * @param Validatable|Definition|DefinitionHelper $validator
+     * @return Definition|DefinitionHelper
+     */
     public static function queryParams($validator)
     {
-        return create(QueryParamsValidator::class)->constructor($validator);
+        return create(QueryParamsValidator::class)->constructor(self::validatorDef($validator));
     }
 
+    /**
+     * @param Validatable|Definition|DefinitionHelper $validator
+     * @return Definition|DefinitionHelper
+     */
     public static function parsedBody($validator)
     {
-        return create(ParsedBodyValidator::class)->constructor($validator);
+        return create(ParsedBodyValidator::class)->constructor(self::validatorDef($validator));
+    }
+
+    private static function validatorDef($validator)
+    {
+        if ($validator instanceof Validatable) {
+            return factory(function () use ($validator) {
+                return $validator;
+            });
+        }
+        return $validator;
     }
 }