diff --git a/.github/.release-please-manifest.json b/.github/.release-please-manifest.json
index faee3ede..4d204362 100644
--- a/.github/.release-please-manifest.json
+++ b/.github/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "3.9.4"
+    ".": "4.0.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5542821e..9f3df0d2 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,17 @@
 # Changelog
 
 
+## [4.0.0](https://github.com/lengow/plugin-prestashop/compare/v3.9.4...v4.0.0) (2026-04-02)
+
+
+### ⚠ BREAKING CHANGES
+
+* upgrade to prestashop 9 ([#76](https://github.com/lengow/plugin-prestashop/issues/76))
+
+### Features
+
+* upgrade to prestashop 9 ([#76](https://github.com/lengow/plugin-prestashop/issues/76)) ([08dd4da](https://github.com/lengow/plugin-prestashop/commit/08dd4dafdfde85abc41ddf248e0f1143430ac612))
+
 ## [3.9.4](https://github.com/lengow/plugin-prestashop/compare/v3.9.3...v3.9.4) (2025-12-08)
 
 
diff --git a/README.md b/README.md
index 4929fd91..b170e006 100755
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 - **Requires at least:** 8.0.0
 - **Tested up to:** 9.0.0
 - **Requires PHP:** 8.1
-- **Stable tag:** 3.9.4 <!-- x-release-please-version -->
+- **Stable tag:** 4.0.0 <!-- x-release-please-version -->
 - **License:** Apache-2.0
 - **License URI:** http://www.apache.org/licenses/LICENSE-2.0
 
diff --git a/classes/controllers/LengowOrderController.php b/classes/controllers/LengowOrderController.php
index 6d733fc6..91753e07 100755
--- a/classes/controllers/LengowOrderController.php
+++ b/classes/controllers/LengowOrderController.php
@@ -906,7 +906,7 @@ private static function getOrderAdminLink(int $idOrder): string
                     'sf-params' => $sfParams,
                 ]
             );
-        } catch (PrestaShopException $e) {
+        } catch (Throwable $e) {
             $href = '#';
         }
 
diff --git a/composer.json b/composer.json
index 9937f1e3..4c0cca30 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
   "name": "prestashop/lengow",
   "description": "Lengow",
-  "version": "3.9.4",
+  "version": "4.0.0",
   "require": {
     "php": ">=8.1"
   },
diff --git a/config/checkmd5.csv b/config/checkmd5.csv
index 6f0e333b..e8c941ca 100644
--- a/config/checkmd5.csv
+++ b/config/checkmd5.csv
@@ -2,7 +2,7 @@
 /fr.php|e33982ba5b5cff100bd3f7ea7e8c104b
 /index.php|be8b25f88c14bddd7711e4585ebae316
 /it.php|f7bf9029ec3739108a185666561c2d86
-/lengow.php|9cb9064a1b9bc18cde5df26212969938
+/lengow.php|bcddd149ff8cb4c6892b7e1d207ac3fa
 /loader.php|b3d94d65d0a074088758bc1e50736a01
 /config/index.php|be8b25f88c14bddd7711e4585ebae316
 /translations/en.csv|81b2e2ef964f1081ff0f455b22a99d42
@@ -10,7 +10,7 @@
 /translations/fr.csv|a58e1647eaa7fdc493c171860eca27e2
 /translations/index.php|be8b25f88c14bddd7711e4585ebae316
 /translations/it.csv|8f3106c2c9c88c6b7f40ccb24aec629b
-/classes/controllers/LengowOrderController.php|1e4c0b35f3334e69406d9e16c7c70b29
+/classes/controllers/LengowOrderController.php|1b6b5b8a2fc59948489fda8c321befde
 /classes/controllers/LengowDashboardController.php|ebe6a9d71e4a9be250061d96ec23b9ca
 /classes/controllers/LengowLegalsController.php|14effece7503b9524c83f628d255d146
 /classes/controllers/LengowController.php|e4d8bbb3a4d2212e138f8d67dbd1dcd7
diff --git a/lengow.php b/lengow.php
index 378e6d10..1e145755 100755
--- a/lengow.php
+++ b/lengow.php
@@ -50,7 +50,7 @@ public function __construct()
     {
         $this->name = 'lengow';
         $this->tab = 'export';
-        $this->version = '3.9.4'; // x-release-please-version
+        $this->version = '4.0.0'; // x-release-please-version
         $this->author = 'Lengow';
         $this->module_key = '__LENGOW_PRESTASHOP_PRODUCT_KEY__';
         $this->ps_versions_compliancy = [
diff --git a/tools/vars.enc b/tools/vars.enc
index 8e121716..d4afb661 100644
Binary files a/tools/vars.enc and b/tools/vars.enc differ