diff --git a/app.json b/app.json
index 6e532d4..de1936a 100644
--- a/app.json
+++ b/app.json
@@ -1,7 +1,14 @@
 {
+  "stack": "heroku-22",
   "buildpacks": [
     {
       "url": "heroku/nodejs"
     }
-  ]
+  ],
+  "env": {
+    "NODE_VERSION": {
+      "description": "Node.js version",
+      "value": "18.20.5"
+    }
+  }
 }
diff --git a/package.json b/package.json
index 54511c4..27bb44c 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "webpack-cli": "^3.3.11"
   },
   "engines": {
-    "node": "18.x"
+    "node": "18.20.5"
   },
   "workspaces": [
     "packages/*"