diff --git a/build.sbt b/build.sbt
index 4784a2ab8..c13379426 100644
--- a/build.sbt
+++ b/build.sbt
@@ -7,7 +7,7 @@ import Sxr.sxr
 // but can be shared across the multi projects.
 def buildLevelSettings: Seq[Setting[_]] = inThisBuild(Seq(
   organization := "org.scala-sbt",
-  version := "0.13.13-SNAPSHOT",
+  version := "0.13.13",
   bintrayOrganization := Some(if (publishStatus.value == "releases") "typesafe" else "sbt"),
   bintrayRepository := s"ivy-${publishStatus.value}",
   bintrayPackage := "sbt",
@@ -155,7 +155,8 @@ lazy val controlProj = (project in utilPath / "control").
     baseSettings,
     Util.crossBuild,
     name := "Control",
-    crossScalaVersions := Seq(scala210, scala211, scala212)
+    crossScalaVersions := Seq(scala210, scala211)
+    // crossScalaVersions := Seq(scala210, scala211, scala212) // sbt 0.13 is JDK 6, can't do 2.12
   )
 
 lazy val collectionProj = (project in utilPath / "collection").
@@ -192,7 +193,8 @@ lazy val ioProj = (project in utilPath / "io").
     Util.crossBuild,
     name := "IO",
     libraryDependencies += scalaCompiler.value % Test,
-    crossScalaVersions := Seq(scala210, scala211, scala212)
+    crossScalaVersions := Seq(scala210, scala211)
+    // crossScalaVersions := Seq(scala210, scala211, scala212) // sbt 0.13 is JDK 6, can't do 2.12
   )
 
 // Utilities related to reflection, managing Scala versions, and custom class loaders
diff --git a/src/main/conscript/scalas/launchconfig b/src/main/conscript/scalas/launchconfig
index 1b8023e93..f928489bf 100644
--- a/src/main/conscript/scalas/launchconfig
+++ b/src/main/conscript/scalas/launchconfig
@@ -4,7 +4,7 @@
 [app]
   org: ${sbt.organization-org.scala-sbt}
   name: sbt
-  version: ${sbt.version-read(sbt.version)[0.13.13-RC3]}
+  version: ${sbt.version-read(sbt.version)[0.13.13]}
   class: sbt.ScriptMain
   components: xsbti,extra
   cross-versioned: ${sbt.cross.versioned-false}
diff --git a/src/main/conscript/screpl/launchconfig b/src/main/conscript/screpl/launchconfig
index b11da3f6c..87e7b16ea 100644
--- a/src/main/conscript/screpl/launchconfig
+++ b/src/main/conscript/screpl/launchconfig
@@ -4,7 +4,7 @@
 [app]
   org: ${sbt.organization-org.scala-sbt}
   name: sbt
-  version: ${sbt.version-read(sbt.version)[0.13.13-RC3]}
+  version: ${sbt.version-read(sbt.version)[0.13.13]}
   class: sbt.ConsoleMain
   components: xsbti,extra
   cross-versioned: ${sbt.cross.versioned-false}
diff --git a/src/main/conscript/xsbt/launchconfig b/src/main/conscript/xsbt/launchconfig
index 54cf72b17..666e0e420 100644
--- a/src/main/conscript/xsbt/launchconfig
+++ b/src/main/conscript/xsbt/launchconfig
@@ -4,7 +4,7 @@
 [app]
   org: ${sbt.organization-org.scala-sbt}
   name: sbt
-  version: ${sbt.version-read(sbt.version)[0.13.13-RC3]}
+  version: ${sbt.version-read(sbt.version)[0.13.13]}
   class: sbt.xMain
   components: xsbti,extra
   cross-versioned: ${sbt.cross.versioned-false}