diff --git a/package.json b/package.json
index 99f3ae1..5f498ca 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@kitconcept/volto-heading-block-dev",
-  "version": "2.4.0",
+  "version": "1.0.0-alpha.0",
   "description": "volto-heading-block: Volto add-on that provides a configurable heading block",
   "author": "kitconcept, GmbH",
   "homepage": "https://github.com/kitconcept/volto-heading-block",
diff --git a/packages/volto-heading-block/package.json b/packages/volto-heading-block/package.json
index 1f4ae09..0dd1b40 100644
--- a/packages/volto-heading-block/package.json
+++ b/packages/volto-heading-block/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@kitconcept/volto-heading-block",
-  "version": "2.4.0",
+  "version": "1.0.0-alpha.0",
   "description": "volto-heading-block: Volto add-on that provides a configurable heading block",
   "main": "src/index.js",
   "license": "MIT",