diff --git a/VERSION b/VERSION
index 49a6886..57d7cbd 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.2307.221425
+0.2308.30129
diff --git a/src/Serialisation/UriBase64.php b/src/Serialisation/UriBase64.php
index b02954b..e31d925 100644
--- a/src/Serialisation/UriBase64.php
+++ b/src/Serialisation/UriBase64.php
@@ -1,7 +1,7 @@
 <?php
 // UriBase64.php
 // Created: 2022-01-13
-// Updated: 2023-07-21
+// Updated: 2023-08-03
 
 namespace Index\Serialisation;
 
@@ -25,9 +25,9 @@ final class UriBase64 {
      * Decodes a Base64 string back to binary data.
      *
      * @param Stream|string $input Input Base64 string.
-     * @return string Binary data.
+     * @return string|false Binary data.
      */
-    public static function decode(Stream|string $input): mixed {
+    public static function decode(Stream|string $input): string|bool {
         $input = (string)$input;
         return base64_decode(str_pad(strtr($input, '-_', '+/'), strlen($input) % 4, '=', STR_PAD_RIGHT));
     }