diff --git a/package.json b/package.json
index 6043882..81a59c0 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
   },
   "enableProposedApi": false,
   "capabilities": {
+    "virtualWorkspaces": false,
     "untrustedWorkspaces": {
       "supported": "limited",
       "restrictedConfigurations": [