diff --git a/build.sbt b/build.sbt
index 0a6e538..baa0f71 100644
--- a/build.sbt
+++ b/build.sbt
@@ -6,13 +6,16 @@ version := "0.8.0-16"
 
 // I'm not sure how this can be automated for multiple versions like it
 // used to be. Knockoff should be buildable from version 2.7.5
-scalaVersion := "2.9.1"
+scalaVersion := "2.9.2"
 
-libraryDependencies ++= Seq(
-  "org.scalatest" %% "scalatest" % "1.6.1" % "test"
+crossScalaVersions := Seq(
+  "2.9.2", "2.9.1-1", "2.9.1",
+  "2.9.0-1", "2.9.0", "2.8.2", "2.8.1"
 )
 
+libraryDependencies += "org.scalatest" %% "scalatest" % "1.7.2" % "test"
+
 publishTo := Some("scala-tools.org releases" at 
                   "http://nexus.scala-tools.org/content/repositories/releases/")
 
-credentials +=  Credentials(Path.userHome / ".ivy2" / "credentials_scala-tools")
\ No newline at end of file
+credentials +=  Credentials(Path.userHome / ".ivy2" / "credentials_scala-tools")