diff --git a/examples/pekko-cluster-app/build.sbt b/examples/pekko-cluster-app/build.sbt
index 0c9739ca..bad25ce2 100644
--- a/examples/pekko-cluster-app/build.sbt
+++ b/examples/pekko-cluster-app/build.sbt
@@ -7,7 +7,7 @@ version := "0.1"
 scalaVersion := "2.13.14"
 
 val circeVersion = "0.14.7"
-val pekkoVersion = "1.0.2"
+val pekkoVersion = "1.0.3-M1"
 
 lazy val `pekko-cluster-app` = project
   .in(file("."))
diff --git a/examples/pekko-persistence-app/build.sbt b/examples/pekko-persistence-app/build.sbt
index d17e53ee..f1e630b1 100644
--- a/examples/pekko-persistence-app/build.sbt
+++ b/examples/pekko-persistence-app/build.sbt
@@ -22,8 +22,8 @@ Global / cancelable := false // ctrl-c
 
 ThisBuild / resolvers += Resolver.ApacheMavenSnapshotsRepo
 
-val pekkoVersion = "1.0.2"
-val pekkoHttpVersion = "1.0.1"
+val pekkoVersion = "1.0.3-M1"
+val pekkoHttpVersion = "1.1.0-M1"
 val pekkoHttp2SupportVersion = "0.0.0+4272-045c925b-SNAPSHOT"
 val pekkoManagementVersion = "1.0.0"
 val pekkoPersistenceJdbcVersion = "1.0.0"
diff --git a/examples/pekko-persistence-app/project/plugins.sbt b/examples/pekko-persistence-app/project/plugins.sbt
index 6c1c48f2..46c3e874 100644
--- a/examples/pekko-persistence-app/project/plugins.sbt
+++ b/examples/pekko-persistence-app/project/plugins.sbt
@@ -1,6 +1,6 @@
 resolvers += Resolver.ApacheMavenSnapshotsRepo
 
-val pekkoGrpcSbtPluginVersion = "1.0.0"
+val pekkoGrpcSbtPluginVersion = "1.0.3-M1"
 
 addSbtPlugin("com.github.sbt" % "sbt-native-packager" % "1.9.9")
 addSbtPlugin("org.apache.pekko" % "pekko-grpc-sbt-plugin" % pekkoGrpcSbtPluginVersion)
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index d35a5fd3..66d22668 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -5,9 +5,9 @@ object Dependencies {
   val scalaVersion212 = "2.12.19"
 
   val pekkoProjectionVersion = "1.0.0"
-  val pekkoGrpcRuntimeVersion = "1.0.2"
-  val pekkoHttpCorsVersion = "1.0.1"
-  val pekkoVersion = "1.0.2"
+  val pekkoGrpcRuntimeVersion = "1.0.3-M1"
+  val pekkoHttpCorsVersion = "1.1.0-M1"
+  val pekkoVersion = "1.0.3-M1"
   val borerVersion = "1.8.0"
   val circeYamlVersion = "1.15.0"
   val circeVersion = "0.14.7"
diff --git a/sbt-pekko-serialization-helper/src/sbt-test/sbt-dumpschema/simple/build.sbt b/sbt-pekko-serialization-helper/src/sbt-test/sbt-dumpschema/simple/build.sbt
index bfdc98a9..15d53678 100644
--- a/sbt-pekko-serialization-helper/src/sbt-test/sbt-dumpschema/simple/build.sbt
+++ b/sbt-pekko-serialization-helper/src/sbt-test/sbt-dumpschema/simple/build.sbt
@@ -4,7 +4,7 @@ lazy val scala212 = "2.12.18"
 name := "simple-dump"
 version := "0.1"
 scalaVersion := scala213
-val pekkoVersion = "1.0.2"
+val pekkoVersion = "1.0.3-M1"
 libraryDependencies += "org.apache.pekko" %% "pekko-persistence-typed" % pekkoVersion
 crossScalaVersions := Seq(scala213, scala212)