Fixes dependency-management/update-sbt-classifiers

main/src/main/scala/sbt/Defaults.scala

@@ -2169,7 +2169,8 @@ object Classpaths {
         // TODO: Should it be sbt's scalaModuleInfo?
         scalaModuleInfo.value,
         sbtDependency.value +: pluginIDs,
-        Vector(Configurations.Default),
+        // sbt is now on Maven Central, so this has changed from sbt 0.13.
+        Vector(Configurations.Default) ++ Configurations.default,
         classifiers.toVector
       )
     }

sbt/src/sbt-test/dependency-management/update-sbt-classifiers/build.sbt

@@ -1 +1 @@
-scalaVersion := "2.9.2"
+scalaVersion := "2.11.11"