pioVersion
diff --git a/build.sbt b/build.sbt
index 60bf4c4..6d12a3e 100644
--- a/build.sbt
+++ b/build.sbt
@@ -7,6 +7,6 @@
 organization := "io.prediction"
 
 libraryDependencies ++= Seq(
-  "io.prediction"    %% "core"          % "0.9.3" % "provided",
+  "io.prediction"    %% "core"          % pioVersion.value % "provided",
   "org.apache.spark" %% "spark-core"    % "1.3.1" % "provided",
   "org.apache.spark" %% "spark-mllib"   % "1.3.1" % "provided")