diff --git a/project/build.properties b/project/build.properties
index db255c2..37b489c 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=0.12.3
\ No newline at end of file
+sbt.version=0.13.1
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 15ac806..7d7ab3e 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,9 +1,11 @@
-addSbtPlugin("com.typesafe.sbteclipse" % "sbteclipse-plugin" % "2.2.0")
+addSbtPlugin("com.typesafe.sbteclipse" % "sbteclipse-plugin" % "2.4.0")
 
-addSbtPlugin("com.github.mpeltonen" % "sbt-idea" % "1.5.1")
+addSbtPlugin("com.github.mpeltonen" % "sbt-idea" % "1.6.0")
 
-addSbtPlugin("org.scalatra.sbt" % "scalatra-sbt" % "0.3.0")
+addSbtPlugin("org.scalatra.sbt" % "scalatra-sbt" % "0.3.5")
 
-addSbtPlugin("io.spray" % "sbt-twirl" % "0.6.1")
+resolvers += "spray repo" at "http://repo.spray.io"
 
-addSbtPlugin("com.timushev.sbt" % "sbt-updates" % "0.1.2")
+addSbtPlugin("io.spray" % "sbt-twirl" % "0.7.0")
+
+addSbtPlugin("com.timushev.sbt" % "sbt-updates" % "0.1.4")
diff --git a/sbt-launch-0.12.3.jar b/sbt-launch-0.12.3.jar
deleted file mode 100644
index 672c26f..0000000
--- a/sbt-launch-0.12.3.jar
+++ /dev/null
Binary files differ
diff --git a/sbt-launch-0.13.1.jar b/sbt-launch-0.13.1.jar
new file mode 100644
index 0000000..5c7d052
--- /dev/null
+++ b/sbt-launch-0.13.1.jar
Binary files differ
diff --git a/sbt.bat b/sbt.bat
index 41a5c11..cd356dd 100644
--- a/sbt.bat
+++ b/sbt.bat
@@ -1,2 +1,2 @@
 set SCRIPT_DIR=%~dp0
-java -Dsbt.log.noformat=true -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256m -Xmx512M -Xss2M -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005 -jar "%SCRIPT_DIR%\sbt-launch-0.12.3.jar" %*
+java -Dsbt.log.noformat=true -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256m -Xmx512M -Xss2M -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005 -jar "%SCRIPT_DIR%\sbt-launch-0.13.1.jar" %*
diff --git a/sbt.sh b/sbt.sh
index cd2266f..86cf93e 100755
--- a/sbt.sh
+++ b/sbt.sh
@@ -1 +1 @@
-java -Dsbt.log.noformat=true -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256m -Xmx512M -Xss2M -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005 -jar `dirname $0`/sbt-launch-0.12.3.jar "$@"
+java -Dsbt.log.noformat=true -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256m -Xmx512M -Xss2M -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005 -jar `dirname $0`/sbt-launch-0.13.1.jar "$@"