diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 2002b4a94..352b1853e 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -19,7 +19,7 @@ object Dependencies {
   val AkkaProjectionVersionInDocs = "1.5"
 
   object Versions {
-    val akka = sys.props.getOrElse("build.akka.version", "2.9.0-M3+24-4e2bc5b5-SNAPSHOT")
+    val akka = sys.props.getOrElse("build.akka.version", "2.9.0")
     val akkaPersistenceCassandra = "1.2.0-M1"
     val akkaPersistenceJdbc = "5.3.0-M1"
     val akkaPersistenceR2dbc = "1.2.0-M7"
diff --git a/samples/grpc/iot-service-scala/build.sbt b/samples/grpc/iot-service-scala/build.sbt
index f20781453..fe6b8ec66 100644
--- a/samples/grpc/iot-service-scala/build.sbt
+++ b/samples/grpc/iot-service-scala/build.sbt
@@ -28,7 +28,7 @@ run / javaOptions ++= sys.props
   .fold(Seq.empty[String])(res => Seq(s"-Dconfig.resource=$res"))
 Global / cancelable := false // ctrl-c
 
-val AkkaVersion = "2.9.0-M3+24-4e2bc5b5-SNAPSHOT"
+val AkkaVersion = "2.9.0"
 val AkkaHttpVersion = "10.6.0-M2"
 val AkkaManagementVersion = "1.5.0-M1"
 val AkkaPersistenceR2dbcVersion = "1.2.0-M7"
diff --git a/samples/grpc/local-drone-control-java/pom.xml b/samples/grpc/local-drone-control-java/pom.xml
index 6678c7c9c..48adfd8e7 100644
--- a/samples/grpc/local-drone-control-java/pom.xml
+++ b/samples/grpc/local-drone-control-java/pom.xml
@@ -17,7 +17,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <akka.version>2.9.0-M3+24-4e2bc5b5-SNAPSHOT</akka.version>
+        <akka.version>2.9.0</akka.version>
         <akka-projection.version>1.5.0-M5</akka-projection.version>
         <akka-persistence-r2dbc.version>1.2.0-M7</akka-persistence-r2dbc.version>
         <akka-management.version>1.5.0-M1</akka-management.version>
diff --git a/samples/grpc/local-drone-control-scala/build.sbt b/samples/grpc/local-drone-control-scala/build.sbt
index 58c7baa2b..e5a652e2c 100644
--- a/samples/grpc/local-drone-control-scala/build.sbt
+++ b/samples/grpc/local-drone-control-scala/build.sbt
@@ -31,7 +31,7 @@ run / javaOptions ++= sys.props
   .fold(Seq.empty[String])(res => Seq(s"-Dconfig.resource=$res"))
 Global / cancelable := false // ctrl-c
 
-val AkkaVersion = "2.9.0-M3+24-4e2bc5b5-SNAPSHOT"
+val AkkaVersion = "2.9.0"
 val AkkaHttpVersion = "10.6.0-M2"
 val AkkaManagementVersion = "1.5.0-M1"
 val AkkaPersistenceR2dbcVersion = "1.2.0-M7"
diff --git a/samples/grpc/restaurant-drone-deliveries-service-java/pom.xml b/samples/grpc/restaurant-drone-deliveries-service-java/pom.xml
index ae30d6c31..e8fe78fcf 100644
--- a/samples/grpc/restaurant-drone-deliveries-service-java/pom.xml
+++ b/samples/grpc/restaurant-drone-deliveries-service-java/pom.xml
@@ -17,7 +17,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <akka.version>2.9.0-M3+24-4e2bc5b5-SNAPSHOT</akka.version>
+        <akka.version>2.9.0</akka.version>
         <akka-projection.version>1.5.0-M5</akka-projection.version>
         <akka-persistence-r2dbc.version>1.2.0-M6</akka-persistence-r2dbc.version>
         <akka-management.version>1.5.0-M1</akka-management.version>
diff --git a/samples/grpc/restaurant-drone-deliveries-service-scala/build.sbt b/samples/grpc/restaurant-drone-deliveries-service-scala/build.sbt
index cc26433ef..f337693f0 100644
--- a/samples/grpc/restaurant-drone-deliveries-service-scala/build.sbt
+++ b/samples/grpc/restaurant-drone-deliveries-service-scala/build.sbt
@@ -28,7 +28,7 @@ run / javaOptions ++= sys.props
   .fold(Seq.empty[String])(res => Seq(s"-Dconfig.resource=$res"))
 Global / cancelable := false // ctrl-c
 
-val AkkaVersion = "2.9.0-M3+24-4e2bc5b5-SNAPSHOT"
+val AkkaVersion = "2.9.0"
 val AkkaHttpVersion = "10.6.0-M2"
 val AkkaManagementVersion = "1.5.0-M1"
 val AkkaPersistenceR2dbcVersion = "1.2.0-M6"
diff --git a/samples/grpc/shopping-analytics-service-java/pom.xml b/samples/grpc/shopping-analytics-service-java/pom.xml
index 40c9942ef..f6401d7bf 100644
--- a/samples/grpc/shopping-analytics-service-java/pom.xml
+++ b/samples/grpc/shopping-analytics-service-java/pom.xml
@@ -17,7 +17,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <akka.version>2.9.0-M3+24-4e2bc5b5-SNAPSHOT</akka.version>
+        <akka.version>2.9.0</akka.version>
         <akka-projection.version>1.5.0-M5</akka-projection.version>
         <akka-persistence-r2dbc.version>1.2.0-M7</akka-persistence-r2dbc.version>
         <akka-management.version>1.5.0-M1</akka-management.version>
diff --git a/samples/grpc/shopping-analytics-service-scala/build.sbt b/samples/grpc/shopping-analytics-service-scala/build.sbt
index c2bff6e50..496155f56 100644
--- a/samples/grpc/shopping-analytics-service-scala/build.sbt
+++ b/samples/grpc/shopping-analytics-service-scala/build.sbt
@@ -28,7 +28,7 @@ run / javaOptions ++= sys.props
   .fold(Seq.empty[String])(res => Seq(s"-Dconfig.resource=$res"))
 Global / cancelable := false // ctrl-c
 
-val AkkaVersion = "2.9.0-M3+24-4e2bc5b5-SNAPSHOT"
+val AkkaVersion = "2.9.0"
 val AkkaHttpVersion = "10.6.0-M2"
 val AkkaManagementVersion = "1.5.0-M1"
 val AkkaPersistenceR2dbcVersion = "1.2.0-M7"
diff --git a/samples/grpc/shopping-cart-service-java/pom.xml b/samples/grpc/shopping-cart-service-java/pom.xml
index 69ca83d0e..5a215b321 100644
--- a/samples/grpc/shopping-cart-service-java/pom.xml
+++ b/samples/grpc/shopping-cart-service-java/pom.xml
@@ -17,7 +17,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <akka.version>2.9.0-M3+24-4e2bc5b5-SNAPSHOT</akka.version>
+        <akka.version>2.9.0</akka.version>
         <akka-projection.version>1.5.0-M5</akka-projection.version>
         <akka-persistence-r2dbc.version>1.2.0-M7</akka-persistence-r2dbc.version>
         <akka-management.version>1.5.0-M1</akka-management.version>
diff --git a/samples/grpc/shopping-cart-service-scala/build.sbt b/samples/grpc/shopping-cart-service-scala/build.sbt
index f0e1f4a6c..5b75beb20 100644
--- a/samples/grpc/shopping-cart-service-scala/build.sbt
+++ b/samples/grpc/shopping-cart-service-scala/build.sbt
@@ -28,7 +28,7 @@ run / javaOptions ++= sys.props
   .fold(Seq.empty[String])(res => Seq(s"-Dconfig.resource=$res"))
 Global / cancelable := false // ctrl-c
 
-val AkkaVersion = "2.9.0-M3+24-4e2bc5b5-SNAPSHOT"
+val AkkaVersion = "2.9.0"
 val AkkaHttpVersion = "10.6.0-M2"
 val AkkaManagementVersion = "1.5.0-M1"
 val AkkaPersistenceR2dbcVersion = "1.2.0-M7"
diff --git a/samples/replicated/shopping-cart-service-java/pom.xml b/samples/replicated/shopping-cart-service-java/pom.xml
index 4d32d42c6..16f68f3c3 100644
--- a/samples/replicated/shopping-cart-service-java/pom.xml
+++ b/samples/replicated/shopping-cart-service-java/pom.xml
@@ -17,7 +17,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <akka.version>2.9.0-M3+24-4e2bc5b5-SNAPSHOT</akka.version>
+        <akka.version>2.9.0</akka.version>
         <akka-projection.version>1.5.0-M5</akka-projection.version>
         <akka-persistence-r2dbc.version>1.2.0-M7</akka-persistence-r2dbc.version>
         <akka-management.version>1.5.0-M1</akka-management.version>
diff --git a/samples/replicated/shopping-cart-service-scala/build.sbt b/samples/replicated/shopping-cart-service-scala/build.sbt
index db45817f9..3315ce651 100644
--- a/samples/replicated/shopping-cart-service-scala/build.sbt
+++ b/samples/replicated/shopping-cart-service-scala/build.sbt
@@ -29,7 +29,7 @@ run / javaOptions ++= sys.props
   .fold(Seq.empty[String])(res => Seq(s"-Dconfig.resource=$res"))
 Global / cancelable := false // ctrl-c
 
-val AkkaVersion = sys.props.getOrElse("akka.version", "2.9.0-M3+24-4e2bc5b5-SNAPSHOT")
+val AkkaVersion = sys.props.getOrElse("akka.version", "2.9.0")
 val AkkaHttpVersion = "10.6.0-M2"
 val AkkaManagementVersion = "1.5.0-M1"
 val AkkaPersistenceR2dbcVersion = "1.2.0-M7"