diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index b455213..eee3e46 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -8,6 +8,7 @@
         "ms-azuretools.vscode-docker"
       ],
       "settings": {
+        "prettier.trailingComma": "all",
         "typescript.preferences.importModuleSpecifier": "non-relative"
       }
     }