diff --git a/README.md b/README.md
index d5f2ee5b..49c6f6fc 100644
--- a/README.md
+++ b/README.md
@@ -1329,6 +1329,7 @@ See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive lis
 * [autocert](https://godoc.org/golang.org/x/crypto/acme/autocert) - Auto provision Let's Encrypt certificates and start a TLS server.
 * [BadActor](https://github.com/jaredfolkins/badactor) - In-memory, application-driven jailer built in the spirit of fail2ban.
 * [Cameradar](https://github.com/Ullaakut/cameradar) - Tool and library to remotely hack RTSP streams from surveillance cameras.
+* [certificates](https://github.com/mvmaasakkers/certificates) - An opinionated tool for generating tls certificates.
 * [go-yara](https://github.com/hillu/go-yara) - Go Bindings for [YARA](https://github.com/plusvic/yara), the "pattern matching swiss knife for malware researchers (and everyone else)".
 * [goArgonPass](https://github.com/dwin/goArgonPass) - Argon2 password hash and verification designed to be compatible with existing Python and PHP implementations.
 * [goSecretBoxPassword](https://github.com/dwin/goSecretBoxPassword) - A probably paranoid package for securely hashing and encrypting passwords.