diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index fe0d53a92ef..1711ab68fde 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -5,7 +5,7 @@
   "postCreateCommand": "script/setup",
   "postStartCommand": "script/bootstrap",
   "containerEnv": { "DEVCONTAINER": "1" },
-  "appPort": 8123,
+  "appPort": ["8123:8123"],
   "runArgs": ["-e", "GIT_EDITOR=code --wait"],
   "extensions": [
     "ms-python.vscode-pylance",