diff --git a/package-lock.json b/package-lock.json
index 78823ffe..745bdcf1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@disy/cadenza.js",
-  "version": "10.2.8",
+  "version": "10.2.9-dev",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@disy/cadenza.js",
-      "version": "10.2.8",
+      "version": "10.2.9-dev",
       "license": "Apache-2.0",
       "devDependencies": {
         "@types/jest": "29.5.12",
diff --git a/package.json b/package.json
index 2cbd8b8f..d224a27d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@disy/cadenza.js",
-  "version": "10.2.8",
+  "version": "10.2.9-dev",
   "license": "Apache-2.0",
   "repository": "github:DisyInformationssysteme/cadenza.js",
   "type": "module",