diff --git a/repos/sim.rbs.repos b/repos/sim.rbs.repos
index 13d61b4..fd7de3a 100644
--- a/repos/sim.rbs.repos
+++ b/repos/sim.rbs.repos
@@ -15,3 +15,7 @@ repositories:
     type: git
     url: https://github.com/osrf/dynamic_message_introspection.git
     version: main
+  robot_builder:
+    type: git
+    url: https://github.com/solid-sinusoid/robot-builder.git
+    version: main