diff --git a/data/ecosystems/u/urbit.toml b/data/ecosystems/u/urbit.toml
index bfc776f9..a50731b3 100644
--- a/data/ecosystems/u/urbit.toml
+++ b/data/ecosystems/u/urbit.toml
@@ -6,6 +6,9 @@ sub_ecosystems = []
 github_organizations = ["https://github.com/urbit"]
 
 # Repositories
+[[repo]]
+url = "https://github.com/urbit/antechamber"
+
 [[repo]]
 url = "https://github.com/urbit/archaeology"