diff --git a/package-lock.json b/package-lock.json
index 4801eb5c..89384921 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "bpmn-js",
-  "version": "9.0.0-alpha.0",
+  "version": "9.0.0-alpha.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index c0f4b555..0ec8ebb3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bpmn-js",
-  "version": "9.0.0-alpha.0",
+  "version": "9.0.0-alpha.1",
   "description": "A bpmn 2.0 toolkit and web modeler",
   "main": "index.js",
   "files": [