diff --git a/sbt/sbt.cmd b/sbt/sbt.cmd
index 681fe00f92108..ef506fdb77d41 100644
--- a/sbt/sbt.cmd
+++ b/sbt/sbt.cmd
@@ -22,4 +22,4 @@ if not "%MESOS_HOME%x"=="x" set EXTRA_ARGS=-Djava.library.path=%MESOS_HOME%\lib\
 
 set SPARK_HOME=%~dp0..
 
-java -Xmx1200M -XX:MaxPermSize=200m -XX:ReservedCodeCacheSize=256m %EXTRA_ARGS% -jar %SPARK_HOME%\sbt\sbt-launch-0.11.3-2.jar "%*"
+java -Xmx1200M -XX:MaxPermSize=350m -XX:ReservedCodeCacheSize=256m %EXTRA_ARGS% -jar %SPARK_HOME%\sbt\sbt-launch-0.11.3-2.jar "%*"
diff --git a/spark-class2.cmd b/spark-class2.cmd
index 3869d0761bfaa..f073c56b54062 100644
--- a/spark-class2.cmd
+++ b/spark-class2.cmd
@@ -17,7 +17,7 @@ rem See the License for the specific language governing permissions and
 rem limitations under the License.
 rem
 
-set SCALA_VERSION=2.9.3
+set SCALA_VERSION=2.10
 
 rem Figure out where the Spark framework is installed
 set FWDIR=%~dp0