diff --git a/akka-stream-tests-tck/src/test/scala/akka/stream/tck/Timeouts.scala b/akka-stream-tests-tck/src/test/scala/akka/stream/tck/Timeouts.scala
index 33be0fbf05..ef71c455ec 100644
--- a/akka-stream-tests-tck/src/test/scala/akka/stream/tck/Timeouts.scala
+++ b/akka-stream-tests-tck/src/test/scala/akka/stream/tck/Timeouts.scala
@@ -12,8 +12,8 @@ import akka.testkit._
  */
 object Timeouts {
 
-  def publisherShutdownTimeoutMillis: Int = 1000
+  def publisherShutdownTimeoutMillis: Int = 3000
 
-  def defaultTimeoutMillis: Int = 500
+  def defaultTimeoutMillis: Int = 800
 
 }