diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c99ba658e8..2777efed58 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.12.0"
+  ".": "5.12.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8b998f8043..f5a0273b12 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [5.12.1](https://github.com/opennextjs/opennextjs-netlify/compare/v5.12.0...v5.12.1) (2025-08-20)
+
+
+### Bug Fixes
+
+* fail build/deploy when using not yet unsupported Node.js Midleware ([#3016](https://github.com/opennextjs/opennextjs-netlify/issues/3016)) ([8c86b77](https://github.com/opennextjs/opennextjs-netlify/commit/8c86b77864f150f86e8d029bb9479df67356ce8b))
+
 ## [5.12.0](https://github.com/opennextjs/opennextjs-netlify/compare/v5.11.6...v5.12.0) (2025-07-31)
 
 
diff --git a/package-lock.json b/package-lock.json
index e5a70804a2..09b1cf5b85 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@netlify/plugin-nextjs",
-  "version": "5.12.0",
+  "version": "5.12.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@netlify/plugin-nextjs",
-      "version": "5.12.0",
+      "version": "5.12.1",
       "license": "MIT",
       "devDependencies": {
         "@fastly/http-compute-js": "1.1.5",
diff --git a/package.json b/package.json
index 79eaeecdf4..13e3518d88 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@netlify/plugin-nextjs",
-  "version": "5.12.0",
+  "version": "5.12.1",
   "description": "Run Next.js seamlessly on Netlify",
   "main": "./dist/index.js",
   "type": "module",