diff --git a/build.sc b/build.mill
similarity index 99%
rename from build.sc
rename to build.mill
index c76a6af..bbf2795 100644
--- a/build.sc
+++ b/build.mill
@@ -1,3 +1,4 @@
+package build
 import mill._, scalalib._, scalajslib._, scalanativelib._, publish._
 import $ivy.`de.tototec::de.tobiasroeser.mill.vcs.version::0.4.0`
 import $ivy.`com.github.lolgab::mill-mima::0.0.23`