diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 8a55e0c..8ca9d2f 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -1,6 +1,7 @@
 name: Documentation
 
 on:
+    release:
     push:
         branches:
             - main
diff --git a/config/public.php b/config/public.php
index d47b922..0eb3cab 100644
--- a/config/public.php
+++ b/config/public.php
@@ -207,7 +207,7 @@
                 'priority' => (int) env('TRANSLATION_DEEPL_PRIORITY', 2),
 
                 'credentials' => [
-                    'key' => env('TRANSLATION_DEEPL_KEY'),
+                    'key' => (string) env('TRANSLATION_DEEPL_KEY'),
                 ],
             ],
 
@@ -218,8 +218,8 @@
                 'priority' => (int) env('TRANSLATION_YANDEX_PRIORITY', 3),
 
                 'credentials' => [
-                    'key'    => env('TRANSLATION_YANDEX_KEY'),
-                    'folder' => env('TRANSLATION_FOLDER_ID'),
+                    'key'    => (string) env('TRANSLATION_YANDEX_KEY'),
+                    'folder' => (string) env('TRANSLATION_YANDEX_FOLDER_ID'),
                 ],
             ],
         ],