diff --git a/composer.json b/composer.json
index 72fdb39..5c7533e 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
     }
   ],
   "require": {
-    "silverstripe/framework": "^4.0 || ^5.0"
+    "silverstripe/framework": "^4.0 || ^5.0 || ^6"
   },
   "support": {
     "issues": "https://github.com/Rhym/silverstripe-color-field/issues"
diff --git a/src/Forms/ColorField.php b/src/Forms/ColorField.php
index 0e33731..fad58b7 100644
--- a/src/Forms/ColorField.php
+++ b/src/Forms/ColorField.php
@@ -2,6 +2,7 @@
 
 namespace RyanPotter\SilverStripeColorField\Forms;
 
+use SilverStripe\Core\Validation\ValidationResult;
 use SilverStripe\Forms\TextField;
 use SilverStripe\ORM\FieldType\DBHTMLText;
 use SilverStripe\View\Requirements;
@@ -93,9 +94,9 @@ public function Field($properties = []): DBHTMLText
    * @param \SilverStripe\Forms\Validator $validator
    * @return bool
    */
-  function validate($validator): bool
+  public function validate(): ValidationResult
   {
-    return true;
+    return ValidationResult::create();
   }
 
   /**