diff --git a/package-lock.json b/package-lock.json
index 4bf55de..5821591 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,15 +1,15 @@
 {
   "name": "@ason-format/mcp-server",
-  "version": "1.1.3",
+  "version": "2.0.0-preview",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@ason-format/mcp-server",
-      "version": "1.1.3",
+      "version": "2.0.0-preview",
       "license": "MIT",
       "dependencies": {
-        "@ason-format/ason": "^1.1.3",
+        "@ason-format/ason": "^2.0.0-preview",
         "@modelcontextprotocol/sdk": "^1.21.1"
       },
       "bin": {
@@ -26,7 +26,7 @@
     },
     "../ason/nodejs-compressor": {
       "name": "@ason-format/ason",
-      "version": "1.1.3",
+      "version": "2.0.0-preview",
       "license": "MIT",
       "dependencies": {
         "@ason-format/ason": "latest",