diff --git a/package.json b/package.json
index 499e641..dbb4590 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
   ],
   "activationEvents": [
     "onLanguage:toml",
-    "workspaceContains:Cargo.toml"
+    "workspaceContains:*/Cargo.toml"
   ],
   "contributes": {
     "commands": [