diff --git a/Documentation/Changelog/Readme.md b/Documentation/Changelog/Readme.md
index 5a87824ca..a56ec6015 100644
--- a/Documentation/Changelog/Readme.md
+++ b/Documentation/Changelog/Readme.md
@@ -9,6 +9,7 @@ breaking changes and how to handle them
 |--------------|--------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | 11.0.1       | 2023-08-18   | Bugfix release for Powermail V11 / TYPO3 12. Please see commit history for changes.                                                                                                                                   |
 | 11.0.0       | 2023-06-01   | Support for TYPO3 12                                                                                                                                                                                                  |
+| 10.7.4       | 2023-11-03   | Bugfix release for Powermail V10 / TYPO3 11. Please see commit history for changes.                                                                                                                                   |
 | 10.7.3       | 2023-08-18   | Bugfix release for Powermail V10 / TYPO3 11. Please see commit history for changes.                                                                                                                                   |
 | 10.7.2       | 2023-03-23   | Fix possible type error on Pi2 if there is no field availabe to an answer, documentation update                                                                                                                       |
 | 10.7.1       | 2023-02-21   | Fix smaller PHP 8 issues, small documentation updates                                                                                                                                                                 |
diff --git a/Documentation/Changelog/UpgradeInstructions.md b/Documentation/Changelog/UpgradeInstructions.md
index 4adb89335..9f6e7e0a2 100644
--- a/Documentation/Changelog/UpgradeInstructions.md
+++ b/Documentation/Changelog/UpgradeInstructions.md
@@ -1,6 +1,15 @@
 # Upgrade Instructions and breaking changes
 
-## Version 10.0
+## Version 10.7.4
+
+If you want to contribute, the URLs for the development instance changed slightly. The TYPO3 version was added
+to the url.
+
+Please use https://powermail-v11.ddev.site or https://local.powermail-v11.de as URLs for the local dev environment.
+
+This change eases the parallel execution of local dev environments for the various versions.
+
+## Version 10.0.0
 
 In version 10 we completely removed jQuery, jQuery UI, Datetimepicker, Parsley.js and other old JS stuff from frontend
 rendering. We now use an own form framework, that runs with vanilla JS and can be included via async or defer and does
diff --git a/ext_emconf.php b/ext_emconf.php
index 12e5409a7..8786a5b7a 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -6,7 +6,7 @@
         and easy to use mailform extension with a lots of features
         (spam prevention, marketing information, optin, ajax submit, diagram analysis, etc...)',
     'category' => 'plugin',
-    'version' => '10.7.3',
+    'version' => '10.7.4',
     'state' => 'stable',
     'author' => 'Powermail Development Team',
     'author_email' => 'service@in2code.de',