diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index f6a4aa8d..c88e0d1e 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -35,7 +35,7 @@ First of all, thank you for your interest in contributing to GitMCP! We apprecia
 Before you start working on GitMCP, make sure you have the following installed:
 
 - [Node.js](https://nodejs.org/) (version 18 or higher recommended)
-- [pnpm](https://pnpm.io/) (version 8.15.7 or higher)
+- [pnpm](https://pnpm.io/) (version 9.0.0 or higher; lockfile v9)
 - Git
 
 ### Setting Up Your Development Environment
diff --git a/.npmrc b/.npmrc
new file mode 100644
index 00000000..b6f27f13
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1 @@
+engine-strict=true
diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 00000000..209e3ef4
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+20