diff --git a/packages/core/theme/package.json b/packages/core/theme/package.json
index 13c0c6a..0bff9e8 100644
--- a/packages/core/theme/package.json
+++ b/packages/core/theme/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@urban-ui/theme",
-  "version": "0.4.0",
+  "version": "0.5.0-alpha.0",
   "type": "module",
   "module": "./dist/index.js",
   "main": "./dist/index.js",
diff --git a/packages/layout/flex/package.json b/packages/layout/flex/package.json
index 4f0d623..765ad67 100644
--- a/packages/layout/flex/package.json
+++ b/packages/layout/flex/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@urban-ui/flex",
-  "version": "0.4.0",
+  "version": "0.5.0-alpha.0",
   "type": "module",
   "module": "./dist/index.js",
   "main": "./dist/index.js",