diff --git a/README.md b/README.md
index 8d1c80d..1daecdb 100644
--- a/README.md
+++ b/README.md
@@ -13,3 +13,17 @@
 
 ## Translation
 If you want to participate in the translation of this module, you can use [POEditor](https://poeditor.com/join/project/hTVWOr86m9).
+
+## Development
+> Nightly builds are available [here](https://github.com/06Games/Webtrees-MailSystem/actions/workflows/build.yml)
+
+This module requires `composer` and `gettext`.  
+To install the PHP dependencies, run
+```shell
+composer install --prefer-dist
+```
+
+To build the module, run
+```shell
+composer archive -f zip --file evang-mailsystem-$(cat version.txt)
+```
diff --git a/module.php b/module.php
index 4d18a84..03557f1 100644
--- a/module.php
+++ b/module.php
@@ -54,7 +54,7 @@ public function title(): string { return 'Mail System'; }
     public function description(): string { return 'Sends out newsletters at regular intervals'; }
     public function customModuleAuthorName(): string { return 'EvanG'; }
     public function customModuleSupportUrl(): string { return 'https://github.com/06Games/Webtrees-MailSystem'; }
-    public function customModuleVersion(): string { return '2.3.4'; }
+    public function customModuleVersion(): string { return '2.3.5'; }
     public function customModuleLatestVersionUrl(): string { return 'https://github.com/06Games/Webtrees-MailSystem/raw/main/version.txt'; }
     public function resourcesFolder(): string { return __DIR__ . '/resources/'; }
     public function getConfigLink(): string { return route(AdminPage::class); }
diff --git a/version.txt b/version.txt
index fd06a92..3b26524 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-2.3.4
\ No newline at end of file
+2.3.5
\ No newline at end of file