diff --git a/app/AppLoader.scala b/app/AppLoader.scala
index dfd04bd..9f098f9 100644
--- a/app/AppLoader.scala
+++ b/app/AppLoader.scala
@@ -2,8 +2,8 @@ package lila.app
 
 import play.api._
 import scala.annotation.nowarn
-import play.api.routing.Router
-import router.Routes
+import play.api.routing.{ Router, SimpleRouter }
+import play.api.routing.sird._
 
 final class AppLoader extends ApplicationLoader {
   def load(ctx: ApplicationLoader.Context): Application = new LilaComponents(ctx).application
@@ -32,9 +32,11 @@ final class LilaComponents(ctx: ApplicationLoader.Context) extends BuiltInCompon
   lazy val controller = new FishnetController(configuration, redis, moveDb, controllerComponents)
 
   // eagerly wire up all controllers
-  val router: Router = {
-    @nowarn val prefix: String = "/"
-    new Routes(httpErrorHandler, controller)
+  val router: Router = new SimpleRouter {
+    def routes: Router.Routes = {
+      case POST(p"/fishnet/acquire")      => controller.acquire
+      case POST(p"/fishnet/move/$workId") => controller.move(workId)
+    }
   }
 
   if (configuration.get[Boolean]("kamon.enabled")) {
diff --git a/build.sbt b/build.sbt
index ae2ab8c..0f5a8a7 100644
--- a/build.sbt
+++ b/build.sbt
@@ -6,7 +6,6 @@ maintainer := "lichess.org"
 
 lazy val root = Project("lila-fishnet", file("."))
   .enablePlugins(PlayScala, PlayNettyServer)
-  .disablePlugins(PlayAkkaHttpServer)
 
 scalaVersion := "2.13.12"
 Compile / resourceDirectory := baseDirectory.value / "conf"
diff --git a/conf/routes b/conf/routes
deleted file mode 100644
index f3b11be..0000000
--- a/conf/routes
+++ /dev/null
@@ -1,2 +0,0 @@
-POST  /fishnet/acquire                   controllers.FishnetController.acquire
-POST  /fishnet/move/:workId              controllers.FishnetController.move(workId: String)
diff --git a/project/build.properties b/project/build.properties
index 563a014..e8a1e24 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.7.2
+sbt.version=1.9.7
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 02ec024..0a4d179 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -2,5 +2,5 @@ resolvers += Resolver.url(
   "lila-maven-sbt",
   url("https://raw.githubusercontent.com/ornicar/lila-maven/master")
 )(Resolver.ivyStylePatterns)
-addSbtPlugin("com.typesafe.play" % "sbt-plugin"   % "2.8.18")
+addSbtPlugin("com.typesafe.play" % "sbt-plugin"   % "2.8.18-lila_1.21")
 addSbtPlugin("org.scalameta"     % "sbt-scalafmt" % "2.4.6")