diff --git a/types/next/config.d.ts b/types/next/config.d.ts
new file mode 100644
index 0000000000..1b2e330bb0
--- /dev/null
+++ b/types/next/config.d.ts
@@ -0,0 +1 @@
+export default function(): {serverRuntimeConfig: any, publicRuntimeConfig: any};
diff --git a/types/next/tsconfig.json b/types/next/tsconfig.json
index 05e0b4e7ad..48d3f0c8be 100644
--- a/types/next/tsconfig.json
+++ b/types/next/tsconfig.json
@@ -26,6 +26,7 @@
         "head.d.ts",
         "link.d.ts",
         "router.d.ts",
+        "config.d.ts",
         "test/next-tests.ts",
         "test/next-error-tests.tsx",
         "test/next-head-tests.tsx",
@@ -34,4 +35,4 @@
         "test/next-dynamic-tests.tsx",
         "test/next-router-tests.tsx"
     ]
-}
\ No newline at end of file
+}