diff --git a/package.json b/package.json
index 4995a9325801..2accd2c00a2b 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "python",
     "displayName": "Python",
     "description": "Linting, Debugging (multi-threaded, remote), Intellisense, code formatting, refactoring, unit tests, snippets, and more.",
-    "version": "2018.3.0",
+    "version": "2018.4.0-alpha",
     "publisher": "ms-python",
     "author": {
         "name": "Microsoft Corporation"