diff --git a/packages/vue-app/index.d.ts b/packages/vue-app/index.d.ts
new file mode 100644
index 0000000000..364f58779b
--- /dev/null
+++ b/packages/vue-app/index.d.ts
@@ -0,0 +1,2 @@
+// Dummy type definition file to provide backward compatibility
+// around Nuxt modules extending `@nuxt/vue-app` for Nuxt < 2.9
diff --git a/packages/vue-app/package.json b/packages/vue-app/package.json
index 66697f42ed..51436cf6a5 100644
--- a/packages/vue-app/package.json
+++ b/packages/vue-app/package.json
@@ -6,8 +6,10 @@
   "files": [
     "dist",
     "template",
-    "vetur"
+    "vetur",
+    "index.d.ts"
   ],
+  "typings": "index.d.ts",
   "main": "dist/vue-app.js",
   "dependencies": {
     "node-fetch": "^2.6.0",