diff --git a/composer.json b/composer.json
index 96ddcd1..bed09e3 100644
--- a/composer.json
+++ b/composer.json
@@ -7,6 +7,7 @@
     "extension",
     "addresses"
   ],
+  "version": "3.0.0-dev",
   "homepage": "https://forge.typo3.org/projects/extension-tt_address",
   "authors": [
     {