diff --git a/day01/devcontainer/.devcontainer/devcontainer.json b/day01/devcontainer/.devcontainer/devcontainer.json
index 146e0d9..1f262f6 100644
--- a/day01/devcontainer/.devcontainer/devcontainer.json
+++ b/day01/devcontainer/.devcontainer/devcontainer.json
@@ -1,7 +1,7 @@
 {
   "name": "Go Dev Container (demo)",
   "build": {
-    "dockerfile": ".devcontainer/Dockerfile"
+    "dockerfile": "Dockerfile"
   },
   "remoteUser": "vscode",
   "workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",