diff --git a/package.json b/package.json
index 57dea80..4818381 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "shiny",
   "displayName": "Shiny",
   "description": "Run and develop Shiny apps in Python or R.",
-  "version": "1.0.0",
+  "version": "1.0.0-dev",
   "publisher": "Posit",
   "icon": "logo.png",
   "repository": {