diff --git a/library-sbt-1.x-migration.md b/library-sbt-1.x-migration.md
index cd63e22..cd5bfb0 100644
--- a/library-sbt-1.x-migration.md
+++ b/library-sbt-1.x-migration.md
@@ -13,7 +13,7 @@ This is the status of sbt 1.x migration of [Scala community builds](https://gith
 | [twitter/util](https://github.com/twitter/util)                                                                        | 1977 | done       |
 | [slick/slick](https://github.com/slick/slick)                                                                          | 1953 | ?          |
 | [lagom/lagom](https://github.com/lagom/lagom)                                                                          | 1684 | reported   | https://github.com/lagom/lagom/issues/1329
-| [lihaoyi/Ammonite](https://github.com/lihaoyi/Ammonite)                                                                | 1500 | ?          | https://github.com/lihaoyi/Ammonite/pull/731
+| [lihaoyi/Ammonite](https://github.com/lihaoyi/Ammonite)                                                                | 1500 | use Mill | https://github.com/lihaoyi/Ammonite/pull/731
 | [rickynils/scalacheck](https://github.com/rickynils/scalacheck)                                                        | 1297 | done       |
 | [non/spire](https://github.com/non/spire)                                                                              | 1261 | done       | https://github.com/non/spire/pull/672
 | [circe/circe](https://github.com/circe/circe)                                                                          | 1140 | done       |