diff --git a/README.md b/README.md
index 0aee44a516f..544cd645245 100644
--- a/README.md
+++ b/README.md
@@ -80,5 +80,6 @@ tools and unsupported by the core OSV maintainers.
 -   [Skjold: Security audit python project dependencies against several security
     advisory databases](https://github.com/twu/skjold)
 -   [Trivy](https://github.com/aquasecurity/trivy)
+-   [IronDome: SCA scanner for Ruby applications](https://rubygems.org/gems/iron_dome)
 
 Feel free to send a PR to add your project here.
diff --git a/docs/third-party.md b/docs/third-party.md
index 39e4413842f..45978e19616 100644
--- a/docs/third-party.md
+++ b/docs/third-party.md
@@ -31,5 +31,6 @@ tools and unsupported by the core OSV maintainers.
 -   [Skjold: Security audit python project dependencies against several security
     advisory databases](https://github.com/twu/skjold)
 -   [Trivy](https://github.com/aquasecurity/trivy)
+-   [IronDome: SCA scanner for Ruby applications](https://rubygems.org/gems/iron_dome)
 
 Feel free to [send a PR](https://github.com/google/osv.dev/blob/master/docs/third-party.md) to add your project here.