1 files changed, 6 insertions, 4 deletions
diff --git a/build.sc b/build.sc
index f9ed49c..5ad0774 100644
--- a/build.sc
+++ b/build.sc
@@ -1,11 +1,13 @@
 import mill._, scalalib._, scalafmt._, scalalib.publish._
 
 object commando extends ScalaModule with ScalafmtModule with PublishModule {
-  //def scalaVersion = T.input {
-    //scala.sys.props.toMap.getOrElse("scala.version", "2.13.1").call() 
-  //}
 
-  def scalaVersion = "2.13.1"
+  def scalaVersion = T.input {
+    sys.props.toMap.get("scala.version") match {
+      case Some(v) => v
+      case None => "2.13.1"
+    }
+  }
 
   object test extends Tests {
     def ivyDeps = Agg(