diff --git a/project/SparkBuild.scala b/project/SparkBuild.scala
index 7bcbd90bd3f9e38f47443b1ab6985455b0365a9b..442db97a189bc2e711fb4543a8ad92aba965899b 100644
--- a/project/SparkBuild.scala
+++ b/project/SparkBuild.scala
@@ -247,7 +247,8 @@ object SparkBuild extends Build {
         "com.codahale.metrics"     % "metrics-ganglia"  % "3.0.0",
         "com.codahale.metrics"     % "metrics-graphite" % "3.0.0",
         "com.twitter"             %% "chill"            % "0.3.1",
-        "com.twitter"              % "chill-java"       % "0.3.1"
+        "com.twitter"              % "chill-java"       % "0.3.1",
+        "com.clearspring.analytics" % "stream"          % "2.5.1"
       )
   )