diff --git a/.github/workflows/build-test-prValidation.yml b/.github/workflows/build-test-prValidation.yml
index 6f117504ce..579cb23e7b 100644
--- a/.github/workflows/build-test-prValidation.yml
+++ b/.github/workflows/build-test-prValidation.yml
@@ -59,6 +59,7 @@ jobs:
           -Dakka.ci-server=true \
           -Dakka.test.multi-in-test=false \
           -Dakka.test.timefactor=2 \
+          -Dakka.actor.testkit.typed.timefactor=2 \
           -Dakka.cluster.assert=on \
           -Dsbt.override.build.repos=false \
           -Dakka.test.multi-node=false \
diff --git a/.github/workflows/multi-node.yml b/.github/workflows/multi-node.yml
index 4250e3a569..229a1820d5 100644
--- a/.github/workflows/multi-node.yml
+++ b/.github/workflows/multi-node.yml
@@ -46,6 +46,7 @@ jobs:
           cat multi-node-test.hosts
           sbt -jvm-opts .jvmopts-ci \
             -Dakka.test.timefactor=2 \
+            -Dakka.actor.testkit.typed.timefactor=2 \
             -Dakka.cluster.assert=on \
             -Dsbt.override.build.repos=false \
             -Dakka.test.tags.exclude=gh-exclude \
diff --git a/.github/workflows/nightly-builds.yml b/.github/workflows/nightly-builds.yml
index f5db63d65a..89e3211842 100644
--- a/.github/workflows/nightly-builds.yml
+++ b/.github/workflows/nightly-builds.yml
@@ -32,6 +32,7 @@ jobs:
             -Dakka.test.sigar=true \
             -Dakka.cluster.assert=on \
             -Dakka.test.timefactor=2 \
+            -Dakka.actor.testkit.typed.timefactor=2 \
             -Dakka.test.tags.exclude=gh-exclude \
             -Dakka.log.timestamps=true \
             clean akka-cluster-metrics/test
@@ -92,6 +93,7 @@ jobs:
           -Djava.security.egd=file:/dev/./urandom \
           -Dakka.remote.artery.enabled=off \
           -Dakka.test.timefactor=2 \
+          -Dakka.actor.testkit.typed.timefactor=2 \
           -Dakka.cluster.assert=on \
           -Dakka.test.tags.exclude=gh-exclude \
           -Dakka.test.names.exclude=akka.cluster.Stress \
@@ -130,6 +132,7 @@ jobs:
             -Dakka.cluster.assert=on \
             -Dakka.log.timestamps=true \
             -Dakka.test.timefactor=2 \
+            -Dakka.actor.testkit.typed.timefactor=2 \
             -Dakka.test.multi-in-test=false \
             -Dakka.test.tags.exclude=gh-exclude \
             clean update Test/compile test checkTestsHaveRun
@@ -213,6 +216,7 @@ jobs:
           -Djava.security.egd=file:/dev/./urandom \
           -Dakka.remote.artery.transport=aeron-udp \
           -Dakka.test.timefactor=2 \
+          -Dakka.actor.testkit.typed.timefactor=2 \
           -Dakka.cluster.assert=on \
           -Dakka.test.tags.exclude=gh-exclude \
           clean ${{ matrix.command }}
diff --git a/.github/workflows/scala3-build.yml b/.github/workflows/scala3-build.yml
index 8707d45ebe..2c8e0b976f 100644
--- a/.github/workflows/scala3-build.yml
+++ b/.github/workflows/scala3-build.yml
@@ -51,6 +51,7 @@ jobs:
           -Dakka.build.scalaVersion=3.0 \
           -Dakka.log.timestamps=true \
           -Dakka.test.timefactor=2 \
+          -Dakka.actor.testkit.typed.timefactor=2 \
           -Dakka.test.multi-in-test=false \
           -Dakka.test.tags.exclude=performance,timing,long-running,gh-exclude \
           ${{ matrix.command }}
diff --git a/akka-cluster/src/test/scala/akka/cluster/ShutdownAfterJoinSeedNodesSpec.scala b/akka-cluster/src/test/scala/akka/cluster/ShutdownAfterJoinSeedNodesSpec.scala
index 7a7a10ee45..25dca34b7b 100644
--- a/akka-cluster/src/test/scala/akka/cluster/ShutdownAfterJoinSeedNodesSpec.scala
+++ b/akka-cluster/src/test/scala/akka/cluster/ShutdownAfterJoinSeedNodesSpec.scala
@@ -23,6 +23,7 @@ object ShutdownAfterJoinSeedNodesSpec {
          seed-node-timeout = 2s
          retry-unsuccessful-join-after = 2s
          shutdown-after-unsuccessful-join-seed-nodes = 5s
+         jmx.multi-mbeans-in-same-jvm = on
        }
        """
 }