diff --git a/package-lock.json b/package-lock.json
index 531a07ffcd..5e8e02b180 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "@umbraco-cms/backoffice",
-	"version": "15.1.0",
+	"version": "15.0.0-rc1",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "@umbraco-cms/backoffice",
-			"version": "15.1.0",
+			"version": "15.0.0-rc1",
 			"license": "MIT",
 			"workspaces": [
 				"./src/packages/*"
diff --git a/package.json b/package.json
index 9fb6e1b598..be58ac386c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "@umbraco-cms/backoffice",
 	"license": "MIT",
-	"version": "15.1.0",
+	"version": "15.0.0-rc1",
 	"type": "module",
 	"exports": {
 		".": null,