diff --git a/http-core/src/main/scala/org/apache/pekko/http/scaladsl/model/HttpEntity.scala b/http-core/src/main/scala/org/apache/pekko/http/scaladsl/model/HttpEntity.scala
index 7df0376bd..6034c57de 100644
--- a/http-core/src/main/scala/org/apache/pekko/http/scaladsl/model/HttpEntity.scala
+++ b/http-core/src/main/scala/org/apache/pekko/http/scaladsl/model/HttpEntity.scala
@@ -645,8 +645,8 @@ object HttpEntity {
         private var maxBytes = -1L
         private var bytesLeft = Long.MaxValue
 
-        @nowarn("msg=deprecated") // Attributes.getFirst is deprecated, but we need to use it here
         override def preStart(): Unit = {
+          // getFirst has been marked as an internal stable API since Pekko Core 2.0.0-M4
           _attributes.getFirst[SizeLimit] match {
             case Some(limit: SizeLimit) if limit.isDisabled =>
             // "no limit"
diff --git a/project/PekkoCoreDependency.scala b/project/PekkoCoreDependency.scala
index 159f2bc13..0a1dc35bd 100644
--- a/project/PekkoCoreDependency.scala
+++ b/project/PekkoCoreDependency.scala
@@ -20,6 +20,6 @@ import com.github.pjfanning.pekkobuild.PekkoDependency
 object PekkoCoreDependency extends PekkoDependency {
   override val checkProject: String = "pekko-cluster-sharding-typed"
   override val module: Option[String] = None
-  override val minVersion: String = "2.0.0-M3"
-  override val currentVersion: String = "2.0.0-M3"
+  override val minVersion: String = "2.0.0-M4"
+  override val currentVersion: String = "2.0.0-M4"
 }