diff --git a/src/gleam/otp/static_supervisor.gleam b/src/gleam/otp/static_supervisor.gleam
index bb9b138..27d4fe1 100644
--- a/src/gleam/otp/static_supervisor.gleam
+++ b/src/gleam/otp/static_supervisor.gleam
@@ -286,6 +286,7 @@ fn convert_child(child: ChildBuilder) -> Dict(Atom, Dynamic) {
   |> property("id", child.id)
   |> property("start", mfa)
   |> property("restart", child.restart)
+  |> property("significant", child.significant)
   |> property("type", type_)
   |> property("shutdown", shutdown)
 }