diff --git a/CHANGELOG.md b/CHANGELOG.md
index da0d759..ddd1c3e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,8 @@ Given a version number MAJOR.MINOR.PATCH, increment:
 
 
 ## [Unreleased]
+### Fixed
+- UTF-8 encoding
 
 ## [0.5.0] - 2025-02-18
 ### Added
diff --git a/src/utils/api.php b/src/utils/api.php
index 2df58e1..e3e1583 100644
--- a/src/utils/api.php
+++ b/src/utils/api.php
@@ -28,8 +28,7 @@ public static function castJsonToApiFormat($json, $resourceName = null)
                 continue;
             }
             if (is_string($value)) {
-                $value = utf8_decode($value);
-                $clean[$key] = utf8_encode($value);
+                $clean[$key] = mb_convert_encoding($value, 'UTF-8', 'UTF-8');
                 continue;
             }
             if ($value instanceof DateTime) {