diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index d08e795..59a5618 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -11,11 +11,13 @@
     "customizations": {
         "codespaces": {
             "openFiles": ["config/routes.rb", "README.md"]
+        },
+        "vscode": {
+            "extensions": [
+                "rebornix.Ruby"
+            ],
         }
     },
-    "extensions": [
-        "rebornix.Ruby"
-    ],
     "onCreateCommand": "bundle install --local",
     "postCreateCommand": ""
   }