Scoverage 0.98.4 error with Scala 2.11.0

gistfile1.txt

> last scoverage-test:executeTests
java.io.InvalidClassException: scoverage.Coverage; local class incompatible: stream classdesc serialVersionUID = -7159697436876606548, local class serialVersionUID = -8676941113756807635
        at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:617)
        at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1622)
        at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1517)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
        at scoverage.IOUtils$.deserialize(IOUtils.scala:53)
        at scoverage.IOUtils$.deserialize(IOUtils.scala:50)
        at scoverage.ScoverageSbtPlugin$$anonfun$testsCleanup$1$$anonfun$apply$2.apply$mcV$sp(ScoverageSbtPlugin.scala:103)
        at sbt.Tests$$anonfun$Cleanup$1.apply(Tests.scala:53)
        at sbt.Tests$$anonfun$Cleanup$1.apply(Tests.scala:53)
        at sbt.Tests$$anonfun$sbt$Tests$$partApp$1$1$$anonfun$apply$1.apply$mcV$sp(Tests.scala:160)
        at sbt.Tests$$anonfun$sbt$Tests$$fj$1$1.apply(Tests.scala:159)
        at sbt.Tests$$anonfun$sbt$Tests$$fj$1$1.apply(Tests.scala:159)
        at sbt.std.TaskExtra$$anon$1$$anonfun$fork$1$$anonfun$apply$1.apply(TaskExtra.scala:99)
        at sbt.std.Transform$$anon$3$$anonfun$apply$2.apply(System.scala:45)
        at sbt.std.Transform$$anon$3$$anonfun$apply$2.apply(System.scala:45)
        at sbt.std.Transform$$anon$4.work(System.scala:64)
        at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:237)
        at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:237)
        at sbt.ErrorHandling$.wideConvert(ErrorHandling.scala:18)
        at sbt.Execute.work(Execute.scala:244)
        at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:237)
        at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:237)
        at sbt.ConcurrentRestrictions$$anon$4$$anonfun$1.apply(ConcurrentRestrictions.scala:160)
        at sbt.CompletionService$$anon$2.call(CompletionService.scala:30)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:744)