diff --git a/src/build.sbt b/src/build.sbt
index f08c84058..655ed5562 100644
--- a/src/build.sbt
+++ b/src/build.sbt
@@ -1,6 +1,6 @@
 import com.typesafe.sbt.SbtStartScript
 
-scalaVersion := "2.11.0"
+scalaVersion := "2.11.12"
 
 libraryDependencies ++= Seq(
 	"org.scala-lang.modules" %% "scala-parser-combinators" % "1.0.1",
diff --git a/src/project/build.properties b/src/project/build.properties
index be6c454fb..133a8f197 100644
--- a/src/project/build.properties
+++ b/src/project/build.properties
@@ -1 +1 @@
-sbt.version=0.13.5
+sbt.version=0.13.17