diff --git a/src/spacetraders_api.gleam b/src/spacetraders_api.gleam
index d1ade53..24d17cf 100644
--- a/src/spacetraders_api.gleam
+++ b/src/spacetraders_api.gleam
@@ -1673,6 +1673,7 @@ pub type ConstructionSiteSupplied {
 }
 
 pub fn supply_construction_site(
+  token: AgentToken,
   system_symbol: SystemSymbol,
   waypoint_symbol: WaypointSymbol,
   ship_symbol: ShipSymbol,
@@ -1681,7 +1682,7 @@ pub fn supply_construction_site(
 ) -> ApiResponse(ConstructionSiteSupplied) {
   let request =
     api.post_json(
-      NoAuth,
+      AgentAuth(token),
       "/systems/"
         <> system_symbol.to_string(system_symbol)
         <> "/waypoints/"