diff --git a/crates/dtrack-http/Cargo.toml b/crates/dtrack-http/Cargo.toml
index a754223..6ac1a3c 100644
--- a/crates/dtrack-http/Cargo.toml
+++ b/crates/dtrack-http/Cargo.toml
@@ -11,6 +11,11 @@ dtrack-tools = { path = "../dtrack-tools" }
 rmcp = { version = "0.16", features = ["server", "transport-streamable-http-server"] }
 axum = "0.8"
 
+# Admin-UI: server-rendered HTML (maud) + HTTP-Basic-Auth (base64).
+maud   = "0.26"
+base64 = "0.22"
+serde  = { version = "1", features = ["derive"] }
+
 tokio              = { version = "1", features = ["full"] }
 anyhow             = "1"
 tracing            = "0.1"