diff --git a/package.json b/package.json
index 1d436a6..e5cfe74 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
   "version": "2025.9.100",
   "publisher": "Christoph",
   "icon": "images/nx-1.png",
+   "extensionDependencies": ["ms-python.python"],
   "serverInfo": {
     "name": "NX Postprocessor Support",
     "module": "nx-post-support"