diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 43264fb..9abd7c6 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -33,7 +33,15 @@
   // Use 'forwardPorts' to make a list of ports inside the container available locally.
   "forwardPorts": [
     3000
-  ]
+  ],
+
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "arrterian.nix-env-selector"
+      ]
+    }
+  }
 
   // Use 'postCreateCommand' to run commands after the container is created.
   // "postCreateCommand": "go version",