diff --git a/extension.js b/extension.js
index 96e09a3..b7e8d25 100644
--- a/extension.js
+++ b/extension.js
@@ -10,6 +10,7 @@ function activate(context) {
     const serverOptions = {
       command: "cargo",
       args: [
+        "+stable",
         "run",
         "--release",
         "--manifest-path",