diff --git a/README.md b/README.md
index b3cecad..37c793a 100644
--- a/README.md
+++ b/README.md
@@ -115,3 +115,23 @@ Stops Webpack from generating the .js.map files
   ];
 }
 ```
+
+### additionalFiles
+
+Default: []
+
+Additional files to move to the asset directory.
+
+```javascript
+// Your gatsby-config.js
+{
+  plugins: [
+    {
+      resolve: "gatsby-plugin-asset-path",
+      options: {
+        additionalFiles: ['example.txt'],
+      },
+    },
+  ];
+}
+```
diff --git a/src/gatsby-node.js b/src/gatsby-node.js
index fbd635e..d65c03c 100644
--- a/src/gatsby-node.js
+++ b/src/gatsby-node.js
@@ -23,7 +23,7 @@ export const onCreateWebpackConfig = (
  * Moves all js and css files into timestamp-named folder
  * @see {@link https://next.gatsbyjs.org/docs/node-apis/#onPostBuild}
  */
-export const onPostBuild = async ({ pathPrefix }) => {
+export const onPostBuild = async ({ pathPrefix }, { additionalFiles = [] }) => {
   const publicFolder = "./public";
   const assetFolder = path.join(publicFolder, `.${pathPrefix}`);
 
@@ -48,6 +48,8 @@ export const onPostBuild = async ({ pathPrefix }) => {
     }),
   );
 
+  await Promise.all(additionalFiles.map((file) => move(file)));
+
   // Move statics data and icons
   await Promise.all(["static", "icons"].map(move));