diff --git a/README.md b/README.md
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+++ b/README.md
@@ -695,6 +695,7 @@ This list results from Pull Requests, reviews, ideas, and work done by 1600+ peo
   * [ssllabs.com](https://www.ssllabs.com/ssltest/) — Intense analysis of the configuration of any SSL web server
   * [SOOS](https://soos.io) - Free, unlimited SCA scans for open-source projects. Detect and fix security threats before release. Protect your projects with a simple and effective solution.
   * [StackHawk](https://www.stackhawk.com/) Automate application scanning throughout your pipeline to find and fix security bugs before they hit production. Unlimited scans and environments for a single app.
+  *  [Socket](https://socket.dev) — Free supply chain security for individual developers, small teams, and open source projects. Includes a free app and firewall CLI tool to protect your code from vulnerable and malicious dependencies. Detects 70+ indicators of supply chain risk.
   * [Sucuri SiteCheck](https://sitecheck.sucuri.net) - Free website security check and malware scanner
   * [Protectumus](https://protectumus.com) - Free website security check, site antivirus, and server firewall (WAF) for PHP. Email notifications for registered users in the free tier.
   * [TestTLS.com](https://testtls.com) - Test an SSL/TLS service for secure server configuration, certificates, chains, etc. Not limited to HTTPS.