How to change future timeout with play framework 2.1.0

sle*_*enz 5 java akka playframework-2.1

i'm calling a webservice using play framework 2.1 which takes longer than 10s. because of that i always receive the following error:

play.api.Application$$anon$1: Execution exception[[TimeoutException: Futures timed out after [10000 milliseconds]]]
    at play.api.Application$class.handleError(Application.scala:289) ~[play_2.10.jar:2.1.0]
    at play.api.DefaultApplication.handleError(Application.scala:383) [play_2.10.jar:2.1.0]
    at play.core.server.netty.PlayDefaultUpstreamHandler$$anon$2$$anonfun$handle$1.apply(PlayDefaultUpstreamHandler.scala:132) [play_2.10.jar:2.1.0]
    at play.core.server.netty.PlayDefaultUpstreamHandler$$anon$2$$anonfun$handle$1.apply(PlayDefaultUpstreamHandler.scala:128) [play_2.10.jar:2.1.0]
    at play.api.libs.concurrent.PlayPromise$$anonfun$extend1$1.apply(Promise.scala:113) [play_2.10.jar:2.1.0]
    at play.api.libs.concurrent.PlayPromise$$anonfun$extend1$1.apply(Promise.scala:113) [play_2.10.jar:2.1.0]
java.util.concurrent.TimeoutException: Futures timed out after [10000 milliseconds]
    at scala.concurrent.impl.Promise$DefaultPromise.ready(Promise.scala:96) ~[scala-library.jar:na]
    at scala.concurrent.impl.Promise$DefaultPromise.ready(Promise.scala:58) ~[scala-library.jar:na]
    at scala.concurrent.Await$$anonfun$ready$1.apply(package.scala:86) ~[scala-library.jar:na]
    at scala.concurrent.Await$$anonfun$ready$1.apply(package.scala:86) ~[scala-library.jar:na]
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how can i increase the timeout value?

i tried to change the values of:

promise.akka.actor.typed.timeout
play.akka.actor.typed.timeout
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but without success...

Thanks in advance for the help