diff --git a/akka-cluster/src/main/mima-filters/2.6.8.backwards.excludes/issue-27300-appVersion.excludes b/akka-cluster/src/main/mima-filters/2.6.9.backwards.excludes/issue-27300-appVersion.excludes
similarity index 90%
rename from akka-cluster/src/main/mima-filters/2.6.8.backwards.excludes/issue-27300-appVersion.excludes
rename to akka-cluster/src/main/mima-filters/2.6.9.backwards.excludes/issue-27300-appVersion.excludes
index 57e176ca29..420a30ae01 100644
--- a/akka-cluster/src/main/mima-filters/2.6.8.backwards.excludes/issue-27300-appVersion.excludes
+++ b/akka-cluster/src/main/mima-filters/2.6.9.backwards.excludes/issue-27300-appVersion.excludes
@@ -7,3 +7,4 @@ ProblemFilters.exclude[IncompatibleSignatureProblem]("akka.cluster.InternalClust
 ProblemFilters.exclude[DirectMissingMethodProblem]("akka.cluster.Member.apply")
 ProblemFilters.exclude[DirectMissingMethodProblem]("akka.cluster.Member.this")
 ProblemFilters.exclude[DirectMissingMethodProblem]("akka.cluster.ClusterCoreDaemon.joining")
+ProblemFilters.exclude[Problem]("akka.cluster.protobuf.msg.ClusterMessages*")