diff --git a/daml-script/test/BUILD.bazel b/daml-script/test/BUILD.bazel
index e05013ccd765..875dc382866b 100644
--- a/daml-script/test/BUILD.bazel
+++ b/daml-script/test/BUILD.bazel
@@ -151,6 +151,7 @@ da_scala_library(
         "//ledger/sandbox-common",
         "//ledger/sandbox-common:sandbox-common-scala-tests-lib",
         "//libs-scala/ports",
+        "//libs-scala/postgresql-testing",
         "//libs-scala/resources",
         "@maven//:com_auth0_java_jwt",
         "@maven//:org_scalatest_scalatest_compatible",
@@ -214,6 +215,7 @@ da_scala_test_suite(
         "//libs-scala/contextualized-logging",
         "//libs-scala/logging-entries",
         "//libs-scala/ports",
+        "//libs-scala/postgresql-testing",
         "//libs-scala/resources",
         "//libs-scala/resources-akka",
         "//libs-scala/resources-grpc",
diff --git a/daml-script/test/src/test-utils/com/daml/lf/engine/script/test/SandboxParticipantFixture.scala b/daml-script/test/src/test-utils/com/daml/lf/engine/script/test/SandboxParticipantFixture.scala
index 174f3f36ca42..5c55fbdae9dc 100644
--- a/daml-script/test/src/test-utils/com/daml/lf/engine/script/test/SandboxParticipantFixture.scala
+++ b/daml-script/test/src/test-utils/com/daml/lf/engine/script/test/SandboxParticipantFixture.scala
@@ -13,12 +13,14 @@ import com.daml.bazeltools.BazelRunfiles._
 import com.daml.ledger.api.testing.utils.AkkaBeforeAndAfterAll
 import com.daml.ledger.api.tls.TlsConfiguration
 import com.daml.lf.engine.script.ledgerinteraction.ScriptTimeMode
+import com.daml.testing.postgresql.PostgresAroundAll
 
 import scala.concurrent.ExecutionContext
 
 trait SandboxParticipantFixture
     extends AbstractScriptTest
     with SandboxNextFixture
+    with PostgresAroundAll
     with AkkaBeforeAndAfterAll {
   self: Suite =>
   private implicit val ec: ExecutionContext = system.dispatcher
@@ -46,7 +48,10 @@ trait SandboxParticipantFixture
     timeProviderType = Some(timeMode match {
       case ScriptTimeMode.Static => TimeProviderType.Static
       case ScriptTimeMode.WallClock => TimeProviderType.WallClock
-    })
+    }),
+    jdbcUrl = Some(
+      postgresDatabase.url
+    ),
   )
 
   protected def stableDarFile = new File(rlocation("daml-script/test/script-test.dar"))
diff --git a/triggers/tests/BUILD.bazel b/triggers/tests/BUILD.bazel
index f7ee716c047d..7ce9102b887a 100644
--- a/triggers/tests/BUILD.bazel
+++ b/triggers/tests/BUILD.bazel
@@ -105,10 +105,13 @@ da_scala_library(
         "//language-support/scala/bindings-akka",
         "//ledger-api/rs-grpc-bridge",
         "//ledger-api/testing-utils",
+        "//ledger/caching",
         "//ledger/ledger-api-auth",
         "//ledger/ledger-api-common",
         "//ledger/ledger-api-domain",
+        "//ledger/ledger-configuration",
         "//ledger/ledger-resources",
+        "//ledger/participant-integration-api",
         "//ledger/sandbox",
         "//ledger/sandbox:sandbox-scala-tests-lib",
         "//ledger/sandbox-common",
@@ -116,6 +119,7 @@ da_scala_library(
         "//ledger/test-common",
         "//libs-scala/contextualized-logging",
         "//libs-scala/ports",
+        "//libs-scala/postgresql-testing",
         "//libs-scala/resources",
         "//triggers/runner:trigger-runner-lib",
         "@maven//:org_scalatest_scalatest_compatible",
@@ -170,6 +174,7 @@ da_scala_library(
             "//ledger/sandbox-common:sandbox-common-scala-tests-lib",
             "//ledger/test-common",
             "//libs-scala/ports",
+            "//libs-scala/postgresql-testing",
             "//libs-scala/resources",
             "//libs-scala/scalatest-utils",
             "//triggers/runner:trigger-runner-lib",
diff --git a/triggers/tests/src/test/scala/com/digitalasset/daml/lf/engine/trigger/test/AbstractTriggerTest.scala b/triggers/tests/src/test/scala/com/digitalasset/daml/lf/engine/trigger/test/AbstractTriggerTest.scala
index 773434df9444..18f0cb02b78b 100644
--- a/triggers/tests/src/test/scala/com/digitalasset/daml/lf/engine/trigger/test/AbstractTriggerTest.scala
+++ b/triggers/tests/src/test/scala/com/digitalasset/daml/lf/engine/trigger/test/AbstractTriggerTest.scala
@@ -28,6 +28,7 @@ import com.daml.lf.speedy.SValue
 import com.daml.lf.speedy.SValue._
 import com.daml.platform.sandboxnext.SandboxNextFixture
 import com.daml.platform.sandbox.services.TestCommands
+import com.daml.testing.postgresql.PostgresAroundAll
 import org.scalatest._
 import scalaz.syntax.tag._
 
@@ -35,7 +36,7 @@ import scala.collection.compat._
 import scala.concurrent.{ExecutionContext, Future}
 import scala.util.Try
 
-trait AbstractTriggerTest extends SandboxNextFixture with TestCommands {
+trait AbstractTriggerTest extends SandboxNextFixture with PostgresAroundAll with TestCommands {
   self: Suite =>
 
   protected def toHighLevelResult(s: SValue) = s match {
@@ -77,6 +78,10 @@ trait AbstractTriggerTest extends SandboxNextFixture with TestCommands {
     Try(BazelRunfiles.requiredResource("triggers/tests/acs.dar"))
       .getOrElse(BazelRunfiles.requiredResource("triggers/tests/acs-1.dev.dar"))
 
+  override protected def config = super.config.copy(
+    jdbcUrl = Some(postgresDatabase.url)
+  )
+
   protected val dar = DarDecoder.assertReadArchiveFromFile(darFile)
   protected val compiledPackages =
     PureCompiledPackages.assertBuild(dar.all.toMap, speedy.Compiler.Config.Dev)