diff --git a/CHANGELOG.md b/CHANGELOG.md
index f7c5c29..96a51ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+2023.05.13
+- require dotclear 2.26
+- fix type hint and nullsafe warnings
+
 2023.04.22
 - require dotclear 2.26
 - use latest helper namespace
diff --git a/_define.php b/_define.php
index 5801405..c8b7c2c 100644
--- a/_define.php
+++ b/_define.php
@@ -10,7 +10,7 @@
  * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-if (!defined('DC_RC_PATH')) {
+if (!defined('DC_RC_PATH') || is_null(dcCore::app()->auth)) {
     return null;
 }
 
@@ -18,12 +18,12 @@ $this->registerModule(
     'Last blog update',
     'Show the dates of last updates of your blog in a widget',
     'Jean-Christian Denis, Pierre Van Glabeke',
-    '2023.04.22',
+    '2023.05.13',
     [
         'requires'    => [['core', '2.26']],
         'permissions' => dcCore::app()->auth->makePermissions([
-            dcAuth::PERMISSION_USAGE,
-            dcAuth::PERMISSION_CONTENT_ADMIN,
+            dcCore::app()->auth::PERMISSION_USAGE,
+            dcCore::app()->auth::PERMISSION_CONTENT_ADMIN,
         ]),
         'type'       => 'plugin',
         'support'    => 'http://forum.dotclear.org/viewtopic.php?pid=332950#p332950',
diff --git a/dcstore.xml b/dcstore.xml
index 4bb2b58..2503db4 100644
--- a/dcstore.xml
+++ b/dcstore.xml
@@ -2,10 +2,10 @@
 <modules xmlns:da="http://dotaddict.org/da/">
   <module id="lastBlogUpdate">
     <name>Last blog update</name>
-    <version>2023.04.22</version>
+    <version>2023.05.13</version>
     <author>Jean-Christian Denis, Pierre Van Glabeke</author>
     <desc>Show the dates of last updates of your blog in a widget</desc>
-    <file>https://github.com/JcDenis/lastBlogUpdate/releases/download/v2023.04.22/plugin-lastBlogUpdate.zip</file>
+    <file>https://github.com/JcDenis/lastBlogUpdate/releases/download/v2023.05.13/plugin-lastBlogUpdate.zip</file>
     <da:dcmin>2.26</da:dcmin>
     <da:details>http://plugins.dotaddict.org/dc2/details/lastBlogUpdate</da:details>
     <da:support>http://forum.dotclear.org/viewtopic.php?pid=332950#p332950</da:support>