diff --git a/build.sc b/build.sc
index eca8f9e..7ce4cc5 100644
--- a/build.sc
+++ b/build.sc
@@ -7,7 +7,7 @@ import mill.scalalib._
 import mill.scalalib.api.Util.scalaNativeBinaryVersion
 import publish._
 
-val millVersions                           = Seq("0.10.11", "0.11.2")
+val millVersions                           = Seq("0.10.11", "0.11.13")
 def millBinaryVersion(millVersion: String) = scalaNativeBinaryVersion(millVersion)
 
 object `mill-tpolecat` extends Cross[MillTpolecatCross](millVersions: _*)