diff --git a/next-sitemap.config.js b/next-sitemap.config.js
new file mode 100644
index 000000000..0518f0a45
--- /dev/null
+++ b/next-sitemap.config.js
@@ -0,0 +1,10 @@
+const BLOG = require('./blog.config')
+
+
+module.exports = {
+  siteUrl: BLOG.link,
+  generateRobotsTxt: true,
+  sitemapSize: 7000,
+  // ...other options
+  // https://github.com/iamvishnusankar/next-sitemap#configuration-options
+}
diff --git a/next-sitemap.js b/next-sitemap.js
deleted file mode 100644
index e26046e4e..000000000
--- a/next-sitemap.js
+++ /dev/null
@@ -1,6 +0,0 @@
-const BLOG = require('./blog.config')
-
-module.exports = {
-  siteUrl: BLOG.link,
-  generateRobotsTxt: true
-}
diff --git a/package.json b/package.json
index 8f2248a94..f1b4d2adc 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "postbuild": "next-sitemap"
+    "postbuild": "next-sitemap --config next-sitemap.config.js"
   },
   "dependencies": {
     "feed": "^4.2.2",