diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 567a1f09..4f7e48cb 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -10,7 +10,7 @@ This project implements a Model Context Protocol (MCP) server for MongoDB and Mo
 
 ### Prerequisites
 
-- Node.js (v23 or later)
+- Node.js (v20 or later)
 - npm
 
 ### Getting Started
diff --git a/README.md b/README.md
index 79fc1492..3d52075c 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ A Model Context Protocol server for interacting with MongoDB Atlas. This project
 
 ### Prerequisites
 
-- Node.js (v23 or later)
+- Node.js (v20 or later)
 - MongoDB Atlas account
 
 ### Installation
diff --git a/package-lock.json b/package-lock.json
index 83af188c..b276244c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -41,7 +41,7 @@
         "yaml": "^2.7.1"
       },
       "engines": {
-        "node": ">=23.0.0"
+        "node": ">=20.0.0"
       }
     },
     "node_modules/@aws-crypto/sha256-browser": {
diff --git a/package.json b/package.json
index 94a85898..4e59ad2d 100644
--- a/package.json
+++ b/package.json
@@ -61,6 +61,6 @@
     "zod": "^3.24.2"
   },
   "engines": {
-    "node": ">=23.0.0"
+    "node": ">=20.0.0"
   }
 }