diff --git a/daml-script/export/integration-tests/matches-docs/BUILD.bazel b/daml-script/export/integration-tests/matches-docs/BUILD.bazel
index 7de448e60dd..71e7abcc578 100644
--- a/daml-script/export/integration-tests/matches-docs/BUILD.bazel
+++ b/daml-script/export/integration-tests/matches-docs/BUILD.bazel
@@ -50,12 +50,10 @@ client_server_build(
     client_files = ["//daml-script/test:script-test.dar"],
     data = ["//daml-script/test:script-test.dar"],
     output_env = "EXPORT_OUT",
-    server = "//ledger/sandbox-classic:sandbox-classic-ephemeral-postgresql",
+    server = "//ledger/sandbox-on-x:sandbox-on-x-ephemeral-postgresql",
     server_args = [
-        "--port=0",
-        "--port-file=%PORT_FILE%",
+        " --participant=participant-id=example,port=0,port-file=%PORT_FILE%",
     ],
-    server_files = ["//daml-script/test:script-test.dar"],
 ) if not is_windows else None
 # Disabled on Windows since postgres gets unhappy in client_server_build.
 
diff --git a/daml-script/runner/src/main/scala/com/digitalasset/daml/lf/engine/script/RunnerMain.scala b/daml-script/runner/src/main/scala/com/digitalasset/daml/lf/engine/script/RunnerMain.scala
index fd7cd6504f1..ea390ce57a9 100644
--- a/daml-script/runner/src/main/scala/com/digitalasset/daml/lf/engine/script/RunnerMain.scala
+++ b/daml-script/runner/src/main/scala/com/digitalasset/daml/lf/engine/script/RunnerMain.scala
@@ -6,6 +6,7 @@ package com.daml.lf.engine.script
 import akka.actor.ActorSystem
 import akka.http.scaladsl.Http
 import akka.stream._
+
 import java.nio.file.Files
 import scala.jdk.CollectionConverters._
 import scala.concurrent.{Await, ExecutionContext, Future}
@@ -21,6 +22,14 @@ import com.daml.lf.iface.reader.InterfaceReader
 import com.daml.lf.language.Ast.Package
 import com.daml.grpc.adapter.{AkkaExecutionSequencerPool, ExecutionSequencerFactory}
 import com.daml.auth.TokenHolder
+import com.daml.ledger.client.configuration.{
+  CommandClientConfiguration,
+  LedgerClientChannelConfiguration,
+  LedgerClientConfiguration,
+  LedgerIdRequirement,
+}
+import com.daml.ledger.client.withoutledgerid.LedgerClient
+import com.google.protobuf.ByteString
 
 object RunnerMain {
 
@@ -46,6 +55,7 @@ object RunnerMain {
       fileContent.parseJson
     })
 
+    val token = config.accessTokenFile.map(new TokenHolder(_)).flatMap(_.token)
     val participantParams = config.participantConfig match {
       case Some(file) => {
         // We allow specifying --access-token-file/--application-id together with
@@ -59,7 +69,6 @@ object RunnerMain {
             source.close
           }
         val jsVal = fileContent.parseJson
-        val token = config.accessTokenFile.map(new TokenHolder(_)).flatMap(_.token)
         import ParticipantsJsonProtocol._
         jsVal
           .convertTo[Participants[ApiParameters]]
@@ -71,13 +80,12 @@ object RunnerMain {
           )
       }
       case None =>
-        val tokenHolder = config.accessTokenFile.map(new TokenHolder(_))
         Participants(
           default_participant = Some(
             ApiParameters(
               config.ledgerHost.get,
               config.ledgerPort.get,
-              tokenHolder.flatMap(_.token),
+              token,
               config.applicationId,
             )
           ),
@@ -96,6 +104,20 @@ object RunnerMain {
         } else {
           Runner.connect(participantParams, config.tlsConfig, config.maxInboundMessageSize)
         }
+      adminClient = LedgerClient.singleHost(
+        hostIp = config.ledgerHost.get,
+        port = config.ledgerPort.get,
+        configuration = LedgerClientConfiguration(
+          applicationId = "admin-client",
+          ledgerIdRequirement = LedgerIdRequirement.none,
+          commandClient = CommandClientConfiguration.default,
+          token = token,
+        ),
+        channelConfig = LedgerClientChannelConfiguration(None),
+      )
+      _ <- adminClient.packageManagementClient.uploadDarFile(
+        ByteString.copyFrom(Files.readAllBytes(config.darPath.toPath))
+      )
       result <- Runner.run(dar, scriptId, inputValue, clients, config.timeMode)
       _ <- Future {
         config.outputFile.foreach { outputFile =>