diff --git a/akka-cluster-sharding/src/multi-jvm/scala/akka/cluster/sharding/ClusterShardingSpec.scala b/akka-cluster-sharding/src/multi-jvm/scala/akka/cluster/sharding/ClusterShardingSpec.scala
index 36a251628d..3e1c2bdba8 100644
--- a/akka-cluster-sharding/src/multi-jvm/scala/akka/cluster/sharding/ClusterShardingSpec.scala
+++ b/akka-cluster-sharding/src/multi-jvm/scala/akka/cluster/sharding/ClusterShardingSpec.scala
@@ -158,6 +158,7 @@ abstract class ClusterShardingSpecConfig(
         max-simultaneous-rebalance = 1
       }
     }
+    akka.testconductor.barrier-timeout = 70s
     """))
   nodeConfig(sixth) {
     ConfigFactory.parseString("""akka.cluster.roles = ["frontend"]""")