diff --git a/docs/generators/scala-akka-http-server.md b/docs/generators/scala-akka-http-server.md
index 5fea9907929..4dfa451cb31 100644
--- a/docs/generators/scala-akka-http-server.md
+++ b/docs/generators/scala-akka-http-server.md
@@ -18,7 +18,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 
 | Option | Description | Values | Default |
 | ------ | ----------- | ------ | ------- |
-|akkaHttpVersion|The version of akka-http| |10.1.10|
+|akkaHttpVersion|The version of akka-http| |10.2.9|
 |allowUnicodeIdentifiers|boolean, toggles whether unicode identifiers are allowed in names or not, default is false| |false|
 |apiPackage|package for generated api classes| |null|
 |artifactId|artifactId| |openapi-scala-akka-http-server|
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalaAkkaHttpServerCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalaAkkaHttpServerCodegen.java
index eb076d4b200..3fb7d1d7f68 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalaAkkaHttpServerCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalaAkkaHttpServerCodegen.java
@@ -51,7 +51,7 @@ public class ScalaAkkaHttpServerCodegen extends AbstractScalaCodegen implements
     public static final String AKKA_HTTP_VERSION_DESC = "The version of akka-http";
     public static final String PEKKO_HTTP_VERSION = "pekkoHttpVersion";
     public static final String PEKKO_HTTP_VERSION_DESC = "The version of pekko-http";
-    public static final String DEFAULT_AKKA_HTTP_VERSION = "10.1.10";
+    public static final String DEFAULT_AKKA_HTTP_VERSION = "10.2.9";
     public static final String DEFAULT_PEKKO_HTTP_VERSION = "1.1.0";
 
     public static final String GENERATE_AS_MANAGED_SOURCES = "asManagedSources";
diff --git a/modules/openapi-generator/src/main/resources/scala-akka-http-server/build.sbt.mustache b/modules/openapi-generator/src/main/resources/scala-akka-http-server/build.sbt.mustache
index eaca841e2be..b8af4b06319 100644
--- a/modules/openapi-generator/src/main/resources/scala-akka-http-server/build.sbt.mustache
+++ b/modules/openapi-generator/src/main/resources/scala-akka-http-server/build.sbt.mustache
@@ -1,11 +1,16 @@
 version := "{{artifactVersion}}"
 name := "{{artifactId}}"
 organization := "{{groupId}}"
-scalaVersion := "2.12.20"
+scalaVersion := "2.13.16"
 
 libraryDependencies ++= Seq({{#useApachePekko}}
-  "org.apache.pekko" %% "pekko-stream" % "1.0.3",
+  "org.apache.pekko" %% "pekko-stream" % "1.1.3",
   "org.apache.pekko" %% "pekko-http" % "{{pekkoHttpVersion}}"{{/useApachePekko}}{{^useApachePekko}}
-  "com.typesafe.akka" %% "akka-stream" % "2.5.21",
+  "com.typesafe.akka" %% "akka-stream" % "2.6.21",
   "com.typesafe.akka" %% "akka-http" % "{{akkaHttpVersion}}"{{/useApachePekko}}
 )
+
+scalacOptions ++= Seq(
+  "-deprecation",
+  "-feature",
+)
diff --git a/modules/openapi-generator/src/main/resources/scala-akka-http-server/controller.mustache b/modules/openapi-generator/src/main/resources/scala-akka-http-server/controller.mustache
index b67a75b83c1..f5025b87218 100644
--- a/modules/openapi-generator/src/main/resources/scala-akka-http-server/controller.mustache
+++ b/modules/openapi-generator/src/main/resources/scala-akka-http-server/controller.mustache
@@ -6,11 +6,11 @@ import {{akkaImportGroupId}}.http.scaladsl.server.Route
 {{/operations}}{{/apis}}{{/apiInfo}}
 import {{akkaImportGroupId}}.http.scaladsl.server.Directives._
 import {{akkaImportGroupId}}.actor.ActorSystem
-import {{akkaImportGroupId}}.stream.ActorMaterializer
+import {{akkaImportGroupId}}.stream.Materializer
 
-class Controller({{#apiInfo}}{{#apis}}{{#operations}}{{classVarName}}: {{classname}}{{^-last}}, {{/-last}}{{/operations}}{{/apis}}{{/apiInfo}})(implicit system: ActorSystem, materializer: ActorMaterializer) {
+class Controller({{#apiInfo}}{{#apis}}{{#operations}}{{classVarName}}: {{classname}}{{^-last}}, {{/-last}}{{/operations}}{{/apis}}{{/apiInfo}})(implicit system: ActorSystem, materializer: Materializer) {
 
     lazy val routes: Route = {{#apiInfo}}{{#apis}}{{#operations}}{{classVarName}}.route {{^-last}}~ {{/-last}}{{/operations}}{{/apis}}{{/apiInfo}}
 
-    Http().bindAndHandle(routes, "0.0.0.0", 9000)
-}
\ No newline at end of file
+    Http().newServerAt("0.0.0.0", 9000).bind(routes)
+}
diff --git a/modules/openapi-generator/src/main/resources/scala-akka-http-server/stringDirectives.mustache b/modules/openapi-generator/src/main/resources/scala-akka-http-server/stringDirectives.mustache
index 5ee2f6035f9..d8471c6094c 100644
--- a/modules/openapi-generator/src/main/resources/scala-akka-http-server/stringDirectives.mustache
+++ b/modules/openapi-generator/src/main/resources/scala-akka-http-server/stringDirectives.mustache
@@ -6,6 +6,7 @@ import {{akkaImportGroupId}}.http.scaladsl.server.directives.BasicDirectives
 import {{akkaImportGroupId}}.http.scaladsl.unmarshalling.Unmarshaller.UnsupportedContentTypeException
 
 import scala.concurrent.Future
+import scala.language.implicitConversions
 import scala.util.{Failure, Success}
 
 trait StringDirectives {
diff --git a/samples/server/petstore/scala-akka-http-server/build.sbt b/samples/server/petstore/scala-akka-http-server/build.sbt
index cef46671e86..fcd88629e27 100644
--- a/samples/server/petstore/scala-akka-http-server/build.sbt
+++ b/samples/server/petstore/scala-akka-http-server/build.sbt
@@ -1,9 +1,14 @@
 version := "1.0.0"
 name := "openapi-scala-akka-http-server"
 organization := "org.openapitools"
-scalaVersion := "2.12.20"
+scalaVersion := "2.13.16"
 
 libraryDependencies ++= Seq(
-  "com.typesafe.akka" %% "akka-stream" % "2.5.21",
-  "com.typesafe.akka" %% "akka-http" % "10.1.10"
+  "com.typesafe.akka" %% "akka-stream" % "2.6.21",
+  "com.typesafe.akka" %% "akka-http" % "10.2.9"
+)
+
+scalacOptions ++= Seq(
+  "-deprecation",
+  "-feature",
 )
diff --git a/samples/server/petstore/scala-akka-http-server/src/main/scala/org/openapitools/server/Controller.scala b/samples/server/petstore/scala-akka-http-server/src/main/scala/org/openapitools/server/Controller.scala
index 8cfc986a0aa..b537152e445 100644
--- a/samples/server/petstore/scala-akka-http-server/src/main/scala/org/openapitools/server/Controller.scala
+++ b/samples/server/petstore/scala-akka-http-server/src/main/scala/org/openapitools/server/Controller.scala
@@ -8,11 +8,11 @@ import org.openapitools.server.api.UserApi
 
 import akka.http.scaladsl.server.Directives._
 import akka.actor.ActorSystem
-import akka.stream.ActorMaterializer
+import akka.stream.Materializer
 
-class Controller(pet: PetApi, store: StoreApi, user: UserApi)(implicit system: ActorSystem, materializer: ActorMaterializer) {
+class Controller(pet: PetApi, store: StoreApi, user: UserApi)(implicit system: ActorSystem, materializer: Materializer) {
 
     lazy val routes: Route = pet.route ~ store.route ~ user.route 
 
-    Http().bindAndHandle(routes, "0.0.0.0", 9000)
-}
\ No newline at end of file
+    Http().newServerAt("0.0.0.0", 9000).bind(routes)
+}
diff --git a/samples/server/petstore/scala-akka-http-server/src/main/scala/org/openapitools/server/StringDirectives.scala b/samples/server/petstore/scala-akka-http-server/src/main/scala/org/openapitools/server/StringDirectives.scala
index 2d115849056..20392968fdc 100644
--- a/samples/server/petstore/scala-akka-http-server/src/main/scala/org/openapitools/server/StringDirectives.scala
+++ b/samples/server/petstore/scala-akka-http-server/src/main/scala/org/openapitools/server/StringDirectives.scala
@@ -6,6 +6,7 @@ import akka.http.scaladsl.server.directives.BasicDirectives
 import akka.http.scaladsl.unmarshalling.Unmarshaller.UnsupportedContentTypeException
 
 import scala.concurrent.Future
+import scala.language.implicitConversions
 import scala.util.{Failure, Success}
 
 trait StringDirectives {
diff --git a/samples/server/petstore/scala-pekko-http-server/build.sbt b/samples/server/petstore/scala-pekko-http-server/build.sbt
index 2f87c22d655..24de1ebf72b 100644
--- a/samples/server/petstore/scala-pekko-http-server/build.sbt
+++ b/samples/server/petstore/scala-pekko-http-server/build.sbt
@@ -1,9 +1,14 @@
 version := "1.0.0"
 name := "openapi-scala-pekko-http-server"
 organization := "org.openapitools"
-scalaVersion := "2.12.20"
+scalaVersion := "2.13.16"
 
 libraryDependencies ++= Seq(
-  "org.apache.pekko" %% "pekko-stream" % "1.0.3",
+  "org.apache.pekko" %% "pekko-stream" % "1.1.3",
   "org.apache.pekko" %% "pekko-http" % "1.1.0"
 )
+
+scalacOptions ++= Seq(
+  "-deprecation",
+  "-feature",
+)
diff --git a/samples/server/petstore/scala-pekko-http-server/src/main/scala/org/openapitools/server/Controller.scala b/samples/server/petstore/scala-pekko-http-server/src/main/scala/org/openapitools/server/Controller.scala
index 58b99cbe0ee..6ccfb2a987a 100644
--- a/samples/server/petstore/scala-pekko-http-server/src/main/scala/org/openapitools/server/Controller.scala
+++ b/samples/server/petstore/scala-pekko-http-server/src/main/scala/org/openapitools/server/Controller.scala
@@ -8,11 +8,11 @@ import org.openapitools.server.api.UserApi
 
 import org.apache.pekko.http.scaladsl.server.Directives._
 import org.apache.pekko.actor.ActorSystem
-import org.apache.pekko.stream.ActorMaterializer
+import org.apache.pekko.stream.Materializer
 
-class Controller(pet: PetApi, store: StoreApi, user: UserApi)(implicit system: ActorSystem, materializer: ActorMaterializer) {
+class Controller(pet: PetApi, store: StoreApi, user: UserApi)(implicit system: ActorSystem, materializer: Materializer) {
 
     lazy val routes: Route = pet.route ~ store.route ~ user.route 
 
-    Http().bindAndHandle(routes, "0.0.0.0", 9000)
-}
\ No newline at end of file
+    Http().newServerAt("0.0.0.0", 9000).bind(routes)
+}
diff --git a/samples/server/petstore/scala-pekko-http-server/src/main/scala/org/openapitools/server/StringDirectives.scala b/samples/server/petstore/scala-pekko-http-server/src/main/scala/org/openapitools/server/StringDirectives.scala
index 6e83b56aa6f..ebc95e69a7c 100644
--- a/samples/server/petstore/scala-pekko-http-server/src/main/scala/org/openapitools/server/StringDirectives.scala
+++ b/samples/server/petstore/scala-pekko-http-server/src/main/scala/org/openapitools/server/StringDirectives.scala
@@ -6,6 +6,7 @@ import org.apache.pekko.http.scaladsl.server.directives.BasicDirectives
 import org.apache.pekko.http.scaladsl.unmarshalling.Unmarshaller.UnsupportedContentTypeException
 
 import scala.concurrent.Future
+import scala.language.implicitConversions
 import scala.util.{Failure, Success}
 
 trait StringDirectives {