diff --git a/content/roadmaps/107-nodejs/content/117-nodejs-common-modules/100-builtin-modules.md b/content/roadmaps/107-nodejs/content/117-nodejs-common-modules/100-builtin-modules.md
index f87714ad8..57f1d4e72 100644
--- a/content/roadmaps/107-nodejs/content/117-nodejs-common-modules/100-builtin-modules.md
+++ b/content/roadmaps/107-nodejs/content/117-nodejs-common-modules/100-builtin-modules.md
@@ -16,6 +16,15 @@ Built-in modules are already installed with `Node.js`, so you don't need to inst
- **perf_hooks**: provides APIs for performance measurement
- **crypto**: to handle OpenSSL cryptographic functions.
- **Buffer**: provides APIs to handling streams of binary data.
+- **DNS**: enables name resolution.
+- **events**: for handling existing events and creating custon events.
+- **child_processes**: provides the ability to spawn subprocesses.
+- **REPL**: provides a Read-Eval-Print-Loop (REPL) implementation that is available both as a standalone program or includible in other applications.
+- **readline**: provides an interface for reading data from a Readable stream one line at a time.
+- **util**: supports the needs of Node.js internal APIs.
+- **querystring**: provides utilities for parsing and formatting URL query strings.
+- **string_decoder**: provides an API for decoding Buffer objects into strings.
+- **tls**: provides an implementation of the Transport Layer Security (TLS) and Secure Socket Layer (SSL) protocols.
Free Content
API documentation of Built-in modules