diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 41fd1e03c..63eb8f9a4 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", "2.9.3")
+    val akka = sys.props.getOrElse("build.akka.version", "2.9.4")
     val akkaPersistenceCassandra = "1.2.1"
     val akkaPersistenceJdbc = "5.4.1"
     val akkaPersistenceR2dbc = "1.2.4"
diff --git a/samples/grpc/iot-service-java/pom.xml b/samples/grpc/iot-service-java/pom.xml
index a223eeade..b8c913e0d 100644
--- a/samples/grpc/iot-service-java/pom.xml
+++ b/samples/grpc/iot-service-java/pom.xml
@@ -17,9 +17,9 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <akka.version>2.9.3</akka.version>
+        <akka.version>2.9.4</akka.version>
         <akka-projection.version>1.5.4</akka-projection.version>
-        <akka-persistence-r2dbc.version>1.2.3</akka-persistence-r2dbc.version>
+        <akka-persistence-r2dbc.version>1.2.5</akka-persistence-r2dbc.version>
         <akka-management.version>1.5.2</akka-management.version>
         <akka-diagnostics.version>2.1.0</akka-diagnostics.version>
         <akka-grpc.version>2.4.3</akka-grpc.version>
diff --git a/samples/grpc/iot-service-scala/build.sbt b/samples/grpc/iot-service-scala/build.sbt
index 1b04caaea..30e8e3af0 100644
--- a/samples/grpc/iot-service-scala/build.sbt
+++ b/samples/grpc/iot-service-scala/build.sbt
@@ -28,10 +28,10 @@ run / javaOptions ++= sys.props
   .fold(Seq.empty[String])(res => Seq(s"-Dconfig.resource=$res"))
 Global / cancelable := false // ctrl-c
 
-val AkkaVersion = "2.9.3"
+val AkkaVersion = "2.9.4"
 val AkkaHttpVersion = "10.6.3"
 val AkkaManagementVersion = "1.5.2"
-val AkkaPersistenceR2dbcVersion = "1.2.3"
+val AkkaPersistenceR2dbcVersion = "1.2.5"
 val AkkaProjectionVersion =
   sys.props.getOrElse("akka-projection.version", "1.5.4")
 val AkkaDiagnosticsVersion = "2.1.1"
diff --git a/samples/grpc/local-drone-control-java/pom.xml b/samples/grpc/local-drone-control-java/pom.xml
index 2917c90f6..ea90a36b8 100644
--- a/samples/grpc/local-drone-control-java/pom.xml
+++ b/samples/grpc/local-drone-control-java/pom.xml
@@ -17,9 +17,9 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <akka.version>2.9.3</akka.version>
+        <akka.version>2.9.4</akka.version>
         <akka-projection.version>1.5.4</akka-projection.version>
-        <akka-persistence-r2dbc.version>1.2.3</akka-persistence-r2dbc.version>
+        <akka-persistence-r2dbc.version>1.2.5</akka-persistence-r2dbc.version>
         <akka-management.version>1.5.2</akka-management.version>
         <akka-diagnostics.version>2.1.0</akka-diagnostics.version>
         <akka-http.version>10.6.3</akka-http.version>
diff --git a/samples/grpc/local-drone-control-scala/build.sbt b/samples/grpc/local-drone-control-scala/build.sbt
index 1e8b9a2a8..a4cc0f3f7 100644
--- a/samples/grpc/local-drone-control-scala/build.sbt
+++ b/samples/grpc/local-drone-control-scala/build.sbt
@@ -30,10 +30,10 @@ run / javaOptions ++= sys.props
   .fold(Seq.empty[String])(res => Seq(s"-Dconfig.resource=$res"))
 Global / cancelable := false // ctrl-c
 
-val AkkaVersion = "2.9.3"
+val AkkaVersion = "2.9.4"
 val AkkaHttpVersion = "10.6.3"
 val AkkaManagementVersion = "1.5.2"
-val AkkaPersistenceR2dbcVersion = "1.2.3"
+val AkkaPersistenceR2dbcVersion = "1.2.5"
 val AkkaProjectionVersion =
   sys.props.getOrElse("akka-projection.version", "1.5.4")
 val AkkaDiagnosticsVersion = "2.1.0"
diff --git a/samples/grpc/restaurant-drone-deliveries-service-java/pom.xml b/samples/grpc/restaurant-drone-deliveries-service-java/pom.xml
index 15c155f6e..68f18c7a8 100644
--- a/samples/grpc/restaurant-drone-deliveries-service-java/pom.xml
+++ b/samples/grpc/restaurant-drone-deliveries-service-java/pom.xml
@@ -17,9 +17,9 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <akka.version>2.9.3</akka.version>
+        <akka.version>2.9.4</akka.version>
         <akka-projection.version>1.5.2</akka-projection.version>
-        <akka-persistence-r2dbc.version>1.2.3</akka-persistence-r2dbc.version>
+        <akka-persistence-r2dbc.version>1.2.5</akka-persistence-r2dbc.version>
         <akka-management.version>1.5.1</akka-management.version>
         <akka-diagnostics.version>2.1.0</akka-diagnostics.version>
         <akka-grpc.version>2.4.3</akka-grpc.version>
diff --git a/samples/grpc/restaurant-drone-deliveries-service-scala/build.sbt b/samples/grpc/restaurant-drone-deliveries-service-scala/build.sbt
index 668f1e4be..909dee070 100644
--- a/samples/grpc/restaurant-drone-deliveries-service-scala/build.sbt
+++ b/samples/grpc/restaurant-drone-deliveries-service-scala/build.sbt
@@ -28,10 +28,10 @@ run / javaOptions ++= sys.props
   .fold(Seq.empty[String])(res => Seq(s"-Dconfig.resource=$res"))
 Global / cancelable := false // ctrl-c
 
-val AkkaVersion = "2.9.3"
+val AkkaVersion = "2.9.4"
 val AkkaHttpVersion = "10.6.3"
 val AkkaManagementVersion = "1.5.2"
-val AkkaPersistenceR2dbcVersion = "1.2.2"
+val AkkaPersistenceR2dbcVersion = "1.2.5"
 val AkkaProjectionVersion =
   sys.props.getOrElse("akka-projection.version", "1.5.4")
 val AkkaDiagnosticsVersion = "2.1.1"
diff --git a/samples/grpc/shopping-analytics-service-java/pom.xml b/samples/grpc/shopping-analytics-service-java/pom.xml
index eb9e215ce..4994577c9 100644
--- a/samples/grpc/shopping-analytics-service-java/pom.xml
+++ b/samples/grpc/shopping-analytics-service-java/pom.xml
@@ -17,9 +17,9 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <akka.version>2.9.3</akka.version>
+        <akka.version>2.9.4</akka.version>
         <akka-projection.version>1.5.4</akka-projection.version>
-        <akka-persistence-r2dbc.version>1.2.3</akka-persistence-r2dbc.version>
+        <akka-persistence-r2dbc.version>1.2.5</akka-persistence-r2dbc.version>
         <akka-management.version>1.5.1</akka-management.version>
         <akka-diagnostics.version>2.1.0</akka-diagnostics.version>
         <akka-grpc.version>2.4.3</akka-grpc.version>
diff --git a/samples/grpc/shopping-analytics-service-scala/build.sbt b/samples/grpc/shopping-analytics-service-scala/build.sbt
index 4966b045a..c0d33d582 100644
--- a/samples/grpc/shopping-analytics-service-scala/build.sbt
+++ b/samples/grpc/shopping-analytics-service-scala/build.sbt
@@ -28,10 +28,10 @@ run / javaOptions ++= sys.props
   .fold(Seq.empty[String])(res => Seq(s"-Dconfig.resource=$res"))
 Global / cancelable := false // ctrl-c
 
-val AkkaVersion = "2.9.3"
+val AkkaVersion = "2.9.4"
 val AkkaHttpVersion = "10.6.3"
 val AkkaManagementVersion = "1.5.1"
-val AkkaPersistenceR2dbcVersion = "1.2.3"
+val AkkaPersistenceR2dbcVersion = "1.2.5"
 val AkkaProjectionVersion =
   sys.props.getOrElse("akka-projection.version", "1.5.4")
 val AkkaDiagnosticsVersion = "2.1.0"
diff --git a/samples/grpc/shopping-cart-service-java/pom.xml b/samples/grpc/shopping-cart-service-java/pom.xml
index d990e3743..1c7d4cb19 100644
--- a/samples/grpc/shopping-cart-service-java/pom.xml
+++ b/samples/grpc/shopping-cart-service-java/pom.xml
@@ -17,9 +17,9 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <akka.version>2.9.3</akka.version>
+        <akka.version>2.9.4</akka.version>
         <akka-projection.version>1.5.4</akka-projection.version>
-        <akka-persistence-r2dbc.version>1.2.3</akka-persistence-r2dbc.version>
+        <akka-persistence-r2dbc.version>1.2.5</akka-persistence-r2dbc.version>
         <akka-management.version>1.5.1</akka-management.version>
         <akka-diagnostics.version>2.1.0</akka-diagnostics.version>
         <akka-grpc.version>2.4.3</akka-grpc.version>
diff --git a/samples/grpc/shopping-cart-service-scala/build.sbt b/samples/grpc/shopping-cart-service-scala/build.sbt
index 41d082b34..0c5d79b01 100644
--- a/samples/grpc/shopping-cart-service-scala/build.sbt
+++ b/samples/grpc/shopping-cart-service-scala/build.sbt
@@ -28,10 +28,10 @@ run / javaOptions ++= sys.props
   .fold(Seq.empty[String])(res => Seq(s"-Dconfig.resource=$res"))
 Global / cancelable := false // ctrl-c
 
-val AkkaVersion = "2.9.3"
+val AkkaVersion = "2.9.4"
 val AkkaHttpVersion = "10.6.3"
 val AkkaManagementVersion = "1.5.2"
-val AkkaPersistenceR2dbcVersion = "1.2.3"
+val AkkaPersistenceR2dbcVersion = "1.2.5"
 val AkkaProjectionVersion =
   sys.props.getOrElse("akka-projection.version", "1.5.4")
 val AkkaDiagnosticsVersion = "2.1.1"
diff --git a/samples/replicated/shopping-cart-service-scala/build.sbt b/samples/replicated/shopping-cart-service-scala/build.sbt
index db8c856b9..16287d893 100644
--- a/samples/replicated/shopping-cart-service-scala/build.sbt
+++ b/samples/replicated/shopping-cart-service-scala/build.sbt
@@ -29,10 +29,10 @@ 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", "2.9.3")
+val AkkaVersion = sys.props.getOrElse("akka.version", "2.9.4")
 val AkkaHttpVersion = "10.6.3"
 val AkkaManagementVersion = "1.5.2"
-val AkkaPersistenceR2dbcVersion = "1.2.4"
+val AkkaPersistenceR2dbcVersion = "1.2.5"
 val AkkaProjectionVersion =
   sys.props.getOrElse("akka-projection.version", "1.5.4")
 val AkkaDiagnosticsVersion = "2.1.1"