diff --git a/actor-tests/src/test/scala/org/apache/pekko/actor/dispatch/DispatcherActorSpec.scala b/actor-tests/src/test/scala/org/apache/pekko/actor/dispatch/DispatcherActorSpec.scala
index 8d8407c6be..d2b3dd02e9 100644
--- a/actor-tests/src/test/scala/org/apache/pekko/actor/dispatch/DispatcherActorSpec.scala
+++ b/actor-tests/src/test/scala/org/apache/pekko/actor/dispatch/DispatcherActorSpec.scala
@@ -97,7 +97,8 @@ class DispatcherActorSpec extends PekkoSpec(DispatcherActorSpec.config) with Def
         }
       }).withDispatcher(throughputDispatcher))
 
-      assert(Await.result(slowOne ? "hogexecutor", timeout.duration) === "OK")
+      val slowResult = Await.result(slowOne ? "hogexecutor", timeout.duration)
+      assert(slowResult === "OK")
       (1 to 100).foreach { _ =>
         slowOne ! "ping"
       }
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 04ec290c1a..6f73fa9d9d 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -47,7 +47,7 @@ object Dependencies {
 
   val reactiveStreamsVersion = "1.0.4"
 
-  val scalaTestVersion = "3.2.19"
+  val scalaTestVersion = "3.2.20"
   val scalaTestScalaCheckVersion = "1-19"
   val scalaCheckVersion = "1.19.0"
 
@@ -131,11 +131,11 @@ object Dependencies {
       // but the version of each module starts with the scalatest
       // version it was intended to work with
       val scalatestJUnit = "org.scalatestplus" %% "junit-4-13" % (scalaTestVersion + ".0") % Test
-      val scalatestTestNG = "org.scalatestplus" %% "testng-7-10" % (scalaTestVersion + ".0") % Test
+      val scalatestTestNG = "org.scalatestplus" %% "testng-7-12" % (scalaTestVersion + ".0") % Test
       val scalatestScalaCheck =
         "org.scalatestplus" %% s"scalacheck-$scalaTestScalaCheckVersion" % (scalaTestVersion + ".0") % Test
       // https://github.com/scalatest/scalatest/issues/2311
-      val scalatestMockito = "org.scalatestplus" %% "mockito-5-21" % (scalaTestVersion + ".0") % Test
+      val scalatestMockito = "org.scalatestplus" %% "mockito-5-23" % (scalaTestVersion + ".0") % Test
 
       val pojosr = "com.googlecode.pojosr" % "de.kalpatec.pojosr.framework" % "0.2.1" % Test
       val tinybundles = "org.ops4j.pax.tinybundles" % "tinybundles" % "4.0.1" % Test