diff --git a/.scalafmt.conf b/.scalafmt.conf
index d7797c9..5ac8eb7 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version="3.5.3"
+version="3.7.17"
 runner.dialect = "scala213"
 
 maxColumn = 180
@@ -36,4 +36,4 @@ rewrite.rules = [AsciiSortImports]
 verticalMultiline.atDefnSite = true
 verticalMultiline.newlineAfterOpenParen = true
 
-includeNoParensInSelectChains = true
\ No newline at end of file
+includeNoParensInSelectChains = true
diff --git a/app/Module.scala b/app/Module.scala
index 269f0ab..d313e7b 100644
--- a/app/Module.scala
+++ b/app/Module.scala
@@ -18,8 +18,6 @@ import com.google.inject.AbstractModule
 import io.swagger.v3.parser.OpenAPIV3Parser
 import io.swagger.v3.parser.core.extensions.SwaggerParserExtension
 
-import uk.gov.hmrc.http.HttpClient
-import uk.gov.hmrc.play.bootstrap.http.DefaultHttpClient
 import uk.gov.hmrc.ramltools.loaders.{RamlLoader, UrlRewriter}
 
 import uk.gov.hmrc.apipublisher.connectors.OASFileLoader.{MicroserviceOASFileLocator, OASFileLocator}
@@ -31,7 +29,6 @@ class Module extends AbstractModule {
   override def configure(): Unit = {
     bind(classOf[UrlRewriter]).to(classOf[DocumentationUrlRewriter])
     bind(classOf[RamlLoader]).to(classOf[DocumentationRamlLoader])
-    bind(classOf[HttpClient]).to(classOf[DefaultHttpClient])
     bind(classOf[SwaggerParserExtension]).toInstance(new OpenAPIV3Parser)
     bind(classOf[OASFileLocator]).toInstance(MicroserviceOASFileLocator)
     bind(classOf[OasVersionDefinitionService.OasParser]).toInstance(new OasParserImpl)
diff --git a/app/uk/gov/hmrc/apipublisher/connectors/APIDefinitionConnector.scala b/app/uk/gov/hmrc/apipublisher/connectors/APIDefinitionConnector.scala
index 442c598..6b2795c 100644
--- a/app/uk/gov/hmrc/apipublisher/connectors/APIDefinitionConnector.scala
+++ b/app/uk/gov/hmrc/apipublisher/connectors/APIDefinitionConnector.scala
@@ -22,27 +22,34 @@ import scala.concurrent.{ExecutionContext, Future}
 import play.api.http.Status.{BAD_REQUEST, UNPROCESSABLE_ENTITY}
 import play.api.libs.json.{JsObject, JsString, JsValue, Json}
 import uk.gov.hmrc.http.HttpReads.Implicits._
-import uk.gov.hmrc.http.{HeaderCarrier, HttpClient, HttpResponse, UnprocessableEntityException, UpstreamErrorResponse}
+import uk.gov.hmrc.http.client.HttpClientV2
+import uk.gov.hmrc.http.{HeaderCarrier, HttpResponse, StringContextOps, UnprocessableEntityException, UpstreamErrorResponse}
 
 import uk.gov.hmrc.apipublisher.util.ApplicationLogger
 
 @Singleton
-class APIDefinitionConnector @Inject() (config: ApiDefinitionConfig, http: HttpClient)(implicit val ec: ExecutionContext)
+class APIDefinitionConnector @Inject() (config: ApiDefinitionConfig, http: HttpClientV2)(implicit val ec: ExecutionContext)
     extends ConnectorRecovery with ApplicationLogger {
 
   lazy val serviceBaseUrl = config.baseUrl
 
   def publishAPI(api: JsObject)(implicit hc: HeaderCarrier): Future[Unit] = {
-    http.POST[JsObject, Either[UpstreamErrorResponse, HttpResponse]](s"$serviceBaseUrl/api-definition", api, Seq.empty).map {
-      case Right(_)                                                         => (())
-      case Left(UpstreamErrorResponse(message, UNPROCESSABLE_ENTITY, _, _)) => throw new UnprocessableEntityException(message)
-      case Left(err)                                                        => throw err
-    }
+    http.post(url"$serviceBaseUrl/api-definition")
+      .withBody(Json.toJson(api))
+      .execute[Either[UpstreamErrorResponse, HttpResponse]]
+      .map {
+        case Right(_)                                                         => (())
+        case Left(UpstreamErrorResponse(message, UNPROCESSABLE_ENTITY, _, _)) => throw new UnprocessableEntityException(message)
+        case Left(err)                                                        => throw err
+      }
   }
 
   def validateAPIDefinition(definition: JsObject)(implicit hc: HeaderCarrier): Future[Option[JsValue]] = {
-    val url = s"$serviceBaseUrl/api-definition/validate"
-    http.POST[JsObject, Either[UpstreamErrorResponse, HttpResponse]](url, definition ++ Json.obj("serviceBaseUrl" -> "dummy", "serviceName" -> "dummy"))
+    val url = url"$serviceBaseUrl/api-definition/validate"
+    http
+      .post(url)
+      .withBody(definition ++ Json.obj("serviceBaseUrl" -> "dummy", "serviceName" -> "dummy"))
+      .execute[Either[UpstreamErrorResponse, HttpResponse]]
       .map {
         case Right(_)                                                => None
         case Left(UpstreamErrorResponse(message, BAD_REQUEST, _, _)) =>
diff --git a/app/uk/gov/hmrc/apipublisher/connectors/APIScopeConnector.scala b/app/uk/gov/hmrc/apipublisher/connectors/APIScopeConnector.scala
index 5fef1cb..d281d6e 100644
--- a/app/uk/gov/hmrc/apipublisher/connectors/APIScopeConnector.scala
+++ b/app/uk/gov/hmrc/apipublisher/connectors/APIScopeConnector.scala
@@ -20,30 +20,37 @@ import javax.inject.{Inject, Singleton}
 import scala.concurrent.{ExecutionContext, Future}
 
 import play.api.http.Status.{BAD_REQUEST, UNPROCESSABLE_ENTITY}
-import play.api.libs.json.{JsString, JsValue}
+import play.api.libs.json.{JsString, JsValue, Json}
 import uk.gov.hmrc.http.HttpReads.Implicits._
 import uk.gov.hmrc.http._
+import uk.gov.hmrc.http.client.HttpClientV2
 
 import uk.gov.hmrc.apipublisher.models.Scope
 import uk.gov.hmrc.apipublisher.util.ApplicationLogger
 
 @Singleton
-class APIScopeConnector @Inject() (config: ApiScopeConfig, http: HttpClient)(implicit val ec: ExecutionContext)
+class APIScopeConnector @Inject() (config: ApiScopeConfig, http: HttpClientV2)(implicit val ec: ExecutionContext)
     extends ConnectorRecovery with ApplicationLogger {
 
   lazy val serviceBaseUrl = config.baseUrl
 
   def publishScopes(scopes: JsValue)(implicit hc: HeaderCarrier): Future[Unit] = {
-    http.POST[JsValue, Either[UpstreamErrorResponse, HttpResponse]](s"$serviceBaseUrl/scope", scopes).map {
-      case Right(_)                                                         => (())
-      case Left(UpstreamErrorResponse(message, UNPROCESSABLE_ENTITY, _, _)) => throw new UnprocessableEntityException(message)
-      case Left(err)                                                        => throw err
-    }
+    http
+      .post(url"$serviceBaseUrl/scope")
+      .withBody(scopes)
+      .execute[Either[UpstreamErrorResponse, HttpResponse]]
+      .map {
+        case Right(_)                                                         => (())
+        case Left(UpstreamErrorResponse(message, UNPROCESSABLE_ENTITY, _, _)) => throw new UnprocessableEntityException(message)
+        case Left(err)                                                        => throw err
+      }
   }
 
   def validateScopes(scopes: JsValue)(implicit hc: HeaderCarrier): Future[Option[JsValue]] = {
-    val url = s"$serviceBaseUrl/scope/validate"
-    http.POST[JsValue, Either[UpstreamErrorResponse, HttpResponse]](url, scopes)
+    val url = url"$serviceBaseUrl/scope/validate"
+    http.post(url)
+      .withBody(Json.toJson(scopes))
+      .execute[Either[UpstreamErrorResponse, HttpResponse]]
       .map {
         case Right(_)                                                => None
         case Left(UpstreamErrorResponse(message, BAD_REQUEST, _, _)) =>
@@ -54,8 +61,7 @@ class APIScopeConnector @Inject() (config: ApiScopeConfig, http: HttpClient)(imp
   }
 
   def retrieveScopes(scopeKeys: Set[String])(implicit hc: HeaderCarrier): Future[Seq[Scope]] = {
-    val url = url"$serviceBaseUrl/scope?keys=${scopeKeys.mkString(" ")}"
-    http.GET[Seq[Scope]](url)
+    http.get(url"$serviceBaseUrl/scope?keys=${scopeKeys.mkString(" ")}").execute[Seq[Scope]]
   }
 }
 
diff --git a/app/uk/gov/hmrc/apipublisher/connectors/APISubscriptionFieldsConnector.scala b/app/uk/gov/hmrc/apipublisher/connectors/APISubscriptionFieldsConnector.scala
index 9ba1838..8899473 100644
--- a/app/uk/gov/hmrc/apipublisher/connectors/APISubscriptionFieldsConnector.scala
+++ b/app/uk/gov/hmrc/apipublisher/connectors/APISubscriptionFieldsConnector.scala
@@ -16,20 +16,19 @@
 
 package uk.gov.hmrc.apipublisher.connectors
 
-import java.net.URLEncoder
-import java.nio.charset.StandardCharsets
 import javax.inject.{Inject, Singleton}
 import scala.concurrent.{ExecutionContext, Future}
 
 import play.api.http.Status.{BAD_REQUEST, UNPROCESSABLE_ENTITY}
-import play.api.libs.json.{JsString, JsValue}
+import play.api.libs.json.{JsString, JsValue, Json}
 import uk.gov.hmrc.http.HttpReads.Implicits._
-import uk.gov.hmrc.http.{HeaderCarrier, HttpClient, HttpResponse, UnprocessableEntityException, UpstreamErrorResponse}
+import uk.gov.hmrc.http.client.HttpClientV2
+import uk.gov.hmrc.http.{HeaderCarrier, HttpResponse, StringContextOps, UnprocessableEntityException, UpstreamErrorResponse}
 
 import uk.gov.hmrc.apipublisher.models.{ApiFieldDefinitions, ApiSubscriptionFieldDefinitionsRequest, FieldDefinition}
 
 @Singleton
-class APISubscriptionFieldsConnector @Inject() (config: ApiSSubscriptionFieldsConfig, http: HttpClient)(implicit val ec: ExecutionContext)
+class APISubscriptionFieldsConnector @Inject() (config: ApiSSubscriptionFieldsConfig, http: HttpClientV2)(implicit val ec: ExecutionContext)
     extends ConnectorRecovery {
 
   lazy val serviceBaseUrl = config.baseUrl
@@ -37,10 +36,13 @@ class APISubscriptionFieldsConnector @Inject() (config: ApiSSubscriptionFieldsCo
   def publishFieldDefinitions(apiFieldDefinitions: Seq[ApiFieldDefinitions])(implicit hc: HeaderCarrier): Future[Unit] = {
     val putFutures: Iterable[Future[Unit]] = apiFieldDefinitions.map {
       case ApiFieldDefinitions(apiContext, apiVersion, fieldDefinitions) =>
-        val urlEncodedApiContext = URLEncoder.encode(apiContext, StandardCharsets.UTF_8.name)
-        val request              = ApiSubscriptionFieldDefinitionsRequest(fieldDefinitions)
-        val putUrl               = s"$serviceBaseUrl/definition/context/$urlEncodedApiContext/version/$apiVersion"
-        http.PUT[ApiSubscriptionFieldDefinitionsRequest, Either[UpstreamErrorResponse, HttpResponse]](putUrl, request)
+        http.put(url"$serviceBaseUrl/definition/context/$apiContext/version/$apiVersion")
+          .withBody(
+            Json.toJson(
+              ApiSubscriptionFieldDefinitionsRequest(fieldDefinitions)
+            )
+          )
+          .execute[Either[UpstreamErrorResponse, HttpResponse]]
           .map {
             case Right(_)                                                         => (())
             case Left(UpstreamErrorResponse(message, UNPROCESSABLE_ENTITY, _, _)) => throw new UnprocessableEntityException(message)
@@ -55,10 +57,14 @@ class APISubscriptionFieldsConnector @Inject() (config: ApiSSubscriptionFieldsCo
     if (fieldDefinitions.isEmpty) {
       Future.successful(None)
     } else {
-      val request = ApiSubscriptionFieldDefinitionsRequest(fieldDefinitions)
-      val putUrl  = s"$serviceBaseUrl/validate"
-
-      http.POST[ApiSubscriptionFieldDefinitionsRequest, Either[UpstreamErrorResponse, HttpResponse]](putUrl, request)
+      http
+        .post(url"$serviceBaseUrl/validate")
+        .withBody(
+          Json.toJson(
+            ApiSubscriptionFieldDefinitionsRequest(fieldDefinitions)
+          )
+        )
+        .execute[Either[UpstreamErrorResponse, HttpResponse]]
         .map {
           case Right(_)                                                         => None
           case Left(UpstreamErrorResponse(message, UNPROCESSABLE_ENTITY, _, _)) => Some(JsString("Field definitions are invalid"))
diff --git a/app/uk/gov/hmrc/apipublisher/connectors/MicroserviceConnector.scala b/app/uk/gov/hmrc/apipublisher/connectors/MicroserviceConnector.scala
index 41351df..c4f1926 100644
--- a/app/uk/gov/hmrc/apipublisher/connectors/MicroserviceConnector.scala
+++ b/app/uk/gov/hmrc/apipublisher/connectors/MicroserviceConnector.scala
@@ -33,7 +33,8 @@ import play.api.Environment
 import play.api.http.Status.NO_CONTENT
 import play.api.libs.json.Json
 import uk.gov.hmrc.http.HttpReads.Implicits._
-import uk.gov.hmrc.http.{HeaderCarrier, HttpClient, HttpReads, HttpReadsOption, HttpResponse}
+import uk.gov.hmrc.http.client.HttpClientV2
+import uk.gov.hmrc.http.{HeaderCarrier, HttpReads, HttpReadsOption, HttpResponse, StringContextOps}
 import uk.gov.hmrc.ramltools.RAML
 import uk.gov.hmrc.ramltools.loaders.RamlLoader
 
@@ -50,7 +51,7 @@ class MicroserviceConnector @Inject() (
     config: MicroserviceConnector.Config,
     ramlLoader: RamlLoader,
     oasFileLoader: OASFileLoader,
-    http: HttpClient,
+    http: HttpClientV2,
     env: Environment
   )(implicit val ec: ExecutionContext
   ) extends ConnectorRecovery with HttpReadsOption with ApplicationLogger {
@@ -76,15 +77,14 @@ class MicroserviceConnector @Inject() (
 
     import uk.gov.hmrc.http.UpstreamErrorResponse
 
-    val url = s"${serviceLocation.serviceUrl}/api/definition"
-
-    http.GET[Option[ApiAndScopes]](url)(readOptionOfNotFound, implicitly, implicitly)
+    http
+      .get(url"${serviceLocation.serviceUrl}/api/definition")
+      .execute[Either[UpstreamErrorResponse, Option[ApiAndScopes]]] // Uses readOptionOfNotFound for reading
       .map {
-        _.toRight(DefinitionFileNoBodyReturned(serviceLocation))
-      }
-      .recover {
-        case UpstreamErrorResponse(_, NOT_FOUND, _, _)                  => Left(DefinitionFileNotFound(serviceLocation))
-        case UpstreamErrorResponse(message, UNPROCESSABLE_ENTITY, _, _) => Left(DefinitionFileUnprocessableEntity(serviceLocation, message))
+        case Right(oApiAndScopes)                                             => oApiAndScopes.toRight(DefinitionFileNoBodyReturned(serviceLocation))
+        case Left(UpstreamErrorResponse(_, NOT_FOUND, _, _))                  => Left(DefinitionFileNotFound(serviceLocation))
+        case Left(UpstreamErrorResponse(message, UNPROCESSABLE_ENTITY, _, _)) => Left(DefinitionFileUnprocessableEntity(serviceLocation, message))
+        case Left(err)                                                        => throw err
       }
       .map(_.map(defaultCategories))
       .map(_.flatMap(validateApiAndScopesAgainstSchema))
diff --git a/build.sbt b/build.sbt
index 7b15fdc..33ef40c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,10 +1,9 @@
-import play.sbt.PlayScala
 import uk.gov.hmrc.DefaultBuildSettings
-import uk.gov.hmrc.DefaultBuildSettings._
 
 lazy val appName = "api-publisher"
 
-lazy val playSettings: Seq[Setting[_]] = Seq.empty
+Global / bloopAggregateSourceDependencies := true
+Global / bloopExportJarClassifiers := Some(Set("sources"))
 
 ThisBuild / scalaVersion := "2.13.12"
 ThisBuild / majorVersion := 0
@@ -15,12 +14,8 @@ ThisBuild / semanticdbVersion := scalafixSemanticdb.revision
 lazy val microservice = Project(appName, file("."))
   .enablePlugins(PlayScala, SbtDistributablesPlugin)
   .disablePlugins(JUnitXmlReportPlugin)
-  .settings(playSettings: _*)
-  .settings(scalaSettings: _*)
-  .settings(defaultSettings(): _*)
   .settings(ScoverageSettings())
   .settings(
-    name := appName,
     libraryDependencies ++= AppDependencies(),
     retrieveManaged := true,
     Compile / unmanagedResourceDirectories += baseDirectory.value / "app" / "resources"
@@ -29,17 +24,14 @@ lazy val microservice = Project(appName, file("."))
     Test / testOptions += Tests.Argument(TestFrameworks.ScalaTest, "-eT"),
     Test / fork := false,
     Test / parallelExecution := false,
-    Test / unmanagedSourceDirectories += baseDirectory.value / "test",
     Test / unmanagedSourceDirectories += baseDirectory.value / "testcommon",
     Test / unmanagedResourceDirectories += baseDirectory.value / "test" / "resources",
-    addTestReportOption(Test, "test-reports")
   )
   .settings(
     scalacOptions ++= Seq(
-      "-Wconf:cat=unused&src=views/.*\\.scala:s",
-      "-Wconf:cat=unused&src=.*RoutesPrefix\\.scala:s",
-      "-Wconf:cat=unused&src=.*Routes\\.scala:s",
-      "-Wconf:cat=unused&src=.*ReverseRoutes\\.scala:s"
+      // https://www.scala-lang.org/2021/01/12/configuring-and-suppressing-warnings.html
+      // suppress warnings in generated routes files
+      "-Wconf:src=routes/.*:s"
     )
   )
 
@@ -50,12 +42,9 @@ lazy val it = (project in file("it"))
   .settings(DefaultBuildSettings.itSettings())
   .settings(
     name := "integration-tests",
-    headerSettings(Test) ++ automateHeaderSettings(Test)
   )
 
 
-Global / bloopAggregateSourceDependencies := true
-Global / bloopExportJarClassifiers := Some(Set("sources"))
 
 
 commands ++= Seq(
diff --git a/conf/application-json-logger.xml b/conf/application-json-logger.xml
deleted file mode 100644
index bf5dd5f..0000000
--- a/conf/application-json-logger.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<configuration>
-
-    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
-        <encoder class="uk.gov.hmrc.play.logging.JsonEncoder"/>
-    </appender>
-
-    <logger name="uk.gov" level="INFO"/>
-    <logger name="com.google.inject" level="WARN"/>
-
-    <root level="INFO">
-        <appender-ref ref="STDOUT"/>
-    </root>
-</configuration>
diff --git a/conf/application.conf b/conf/application.conf
index 808565a..481556c 100644
--- a/conf/application.conf
+++ b/conf/application.conf
@@ -26,8 +26,8 @@ play.http.errorHandler = "uk.gov.hmrc.apipublisher.wiring.ErrorHandler"
 
 # Define additional modules used here
 play.modules.enabled += "uk.gov.hmrc.apipublisher.config.ConfigurationModule"
-
 play.modules.enabled += "uk.gov.hmrc.mongo.play.PlayMongoModule"
+play.modules.enabled += "uk.gov.hmrc.play.bootstrap.HttpClientV2Module"
 
 # Session Timeout
 # ~~~~
diff --git a/project/AppDependencies.scala b/project/AppDependencies.scala
index f87677b..f9cea2a 100644
--- a/project/AppDependencies.scala
+++ b/project/AppDependencies.scala
@@ -3,9 +3,9 @@ import sbt._
 object AppDependencies {
   def apply(): Seq[ModuleID] = dependencies ++ testDependencies
 
-  lazy val bootstrapVersion = "8.4.0"
-  lazy val mongoVersion = "1.7.0"
-  val commonDomainVersion = "0.13.0"
+  lazy val bootstrapVersion = "9.1.0"
+  lazy val mongoVersion = "2.1.0"
+  val commonDomainVersion = "0.15.0"
 
   private lazy val dependencies = Seq(
     "uk.gov.hmrc"               %% "bootstrap-backend-play-30"    % bootstrapVersion,
diff --git a/project/plugins.sbt b/project/plugins.sbt
index e2f6423..4db5d38 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,13 +1,14 @@
-resolvers += "HMRC-open-artefacts-maven-2" at "https://open.artefacts.tax.service.gov.uk/maven2"
-resolvers += Resolver.url("HMRC-open-artefacts-ivy", url("https://open.artefacts.tax.service.gov.uk/ivy2"))(Resolver.ivyStylePatterns)
+resolvers += MavenRepository("HMRC-open-artefacts-maven2", "https://open.artefacts.tax.service.gov.uk/maven2")
+resolvers += Resolver.url("HMRC-open-artefacts-ivy2", url("https://open.artefacts.tax.service.gov.uk/ivy2"))(Resolver.ivyStylePatterns)
+resolvers += Resolver.typesafeRepo("releases")
 
-addSbtPlugin("uk.gov.hmrc"        %  "sbt-auto-build"         % "3.22.0")
-addSbtPlugin("uk.gov.hmrc"        %  "sbt-distributables"     % "2.5.0")
-addSbtPlugin("org.playframework"  %  "sbt-plugin"             % "3.0.1")
-addSbtPlugin("org.scoverage"      %  "sbt-scoverage"          % "2.0.9")
-addSbtPlugin("org.scalastyle"     %% "scalastyle-sbt-plugin"  % "1.0.0")
-addSbtPlugin("org.scalameta"      %  "sbt-scalafmt"           % "2.5.2")
-addSbtPlugin("ch.epfl.scala"      %  "sbt-bloop"              % "1.5.13")
-addSbtPlugin("ch.epfl.scala"      %%  "sbt-scalafix"          % "0.11.1")
+addSbtPlugin("uk.gov.hmrc"        % "sbt-auto-build"         % "3.22.0")
+addSbtPlugin("uk.gov.hmrc"        % "sbt-distributables"     % "2.5.0")
+addSbtPlugin("org.playframework"  % "sbt-plugin"             % "3.0.4")
+addSbtPlugin("org.scoverage"      % "sbt-scoverage"          % "2.0.9")
+addSbtPlugin("org.scalastyle"     % "scalastyle-sbt-plugin"  % "1.0.0")
+addSbtPlugin("org.scalameta"      % "sbt-scalafmt"           % "2.5.2")
+addSbtPlugin("ch.epfl.scala"      % "sbt-bloop"              % "1.5.15")
+addSbtPlugin("ch.epfl.scala"      % "sbt-scalafix"           % "0.11.1")
 
 ThisBuild / libraryDependencySchemes += "org.scala-lang.modules" %% "scala-xml" % VersionScheme.Always
diff --git a/test/uk/gov/hmrc/apipublisher/connectors/APIDefinitionConnectorSpec.scala b/test/uk/gov/hmrc/apipublisher/connectors/APIDefinitionConnectorSpec.scala
index 7ac0e44..127ca27 100644
--- a/test/uk/gov/hmrc/apipublisher/connectors/APIDefinitionConnectorSpec.scala
+++ b/test/uk/gov/hmrc/apipublisher/connectors/APIDefinitionConnectorSpec.scala
@@ -31,8 +31,9 @@ import utils.AsyncHmrcSpec
 import play.api.Configuration
 import play.api.libs.json.{JsObject, Json}
 import play.api.test.Helpers.{CONTENT_TYPE, JSON, _}
+import uk.gov.hmrc.http.HeaderCarrier
 import uk.gov.hmrc.http.HeaderNames.xRequestId
-import uk.gov.hmrc.http.{HeaderCarrier, HttpClient}
+import uk.gov.hmrc.http.client.HttpClientV2
 
 class APIDefinitionConnectorSpec extends AsyncHmrcSpec with BeforeAndAfterAll with GuiceOneAppPerSuite {
 
@@ -52,7 +53,7 @@ class APIDefinitionConnectorSpec extends AsyncHmrcSpec with BeforeAndAfterAll wi
 
     val appConfig: Configuration = mock[Configuration]
 
-    val connector = new APIDefinitionConnector(apiDefinitionConfig, app.injector.instanceOf[HttpClient])
+    val connector = new APIDefinitionConnector(apiDefinitionConfig, app.injector.instanceOf[HttpClientV2])
   }
 
   override def beforeAll(): Unit = {
diff --git a/test/uk/gov/hmrc/apipublisher/connectors/APIScopeConnectorSpec.scala b/test/uk/gov/hmrc/apipublisher/connectors/APIScopeConnectorSpec.scala
index 1365a20..1e84560 100644
--- a/test/uk/gov/hmrc/apipublisher/connectors/APIScopeConnectorSpec.scala
+++ b/test/uk/gov/hmrc/apipublisher/connectors/APIScopeConnectorSpec.scala
@@ -30,7 +30,8 @@ import utils.AsyncHmrcSpec
 import play.api.libs.json.Json
 import play.api.test.Helpers._
 import uk.gov.hmrc.http.HeaderNames.xRequestId
-import uk.gov.hmrc.http.{HeaderCarrier, HttpClient, UpstreamErrorResponse}
+import uk.gov.hmrc.http.client.HttpClientV2
+import uk.gov.hmrc.http.{HeaderCarrier, UpstreamErrorResponse}
 
 import uk.gov.hmrc.apipublisher.models.Scope
 
@@ -50,7 +51,7 @@ class APIScopeConnectorSpec extends AsyncHmrcSpec with BeforeAndAfterAll with Gu
 
     implicit val hc: HeaderCarrier = HeaderCarrier().withExtraHeaders(xRequestId -> "requestId")
 
-    val connector = new APIScopeConnector(apiScopeConfig, app.injector.instanceOf[HttpClient])
+    val connector = new APIScopeConnector(apiScopeConfig, app.injector.instanceOf[HttpClientV2])
   }
 
   override def beforeAll(): Unit = {
diff --git a/test/uk/gov/hmrc/apipublisher/connectors/APISubscriptionFieldsConnectorSpec.scala b/test/uk/gov/hmrc/apipublisher/connectors/APISubscriptionFieldsConnectorSpec.scala
index fbad468..4f50cad 100644
--- a/test/uk/gov/hmrc/apipublisher/connectors/APISubscriptionFieldsConnectorSpec.scala
+++ b/test/uk/gov/hmrc/apipublisher/connectors/APISubscriptionFieldsConnectorSpec.scala
@@ -33,7 +33,8 @@ import play.api.Configuration
 import play.api.libs.json.Json
 import play.api.test.Helpers._
 import uk.gov.hmrc.http.HeaderNames.xRequestId
-import uk.gov.hmrc.http.{HeaderCarrier, HttpClient, UpstreamErrorResponse}
+import uk.gov.hmrc.http.client.HttpClientV2
+import uk.gov.hmrc.http.{HeaderCarrier, UpstreamErrorResponse}
 
 import uk.gov.hmrc.apipublisher.models
 import uk.gov.hmrc.apipublisher.models.{ApiFieldDefinitions, FieldDefinition}
@@ -70,7 +71,7 @@ class APISubscriptionFieldsConnectorSpec extends AsyncHmrcSpec with BeforeAndAft
 
     val appConfig: Configuration = mock[Configuration]
 
-    val connector = new APISubscriptionFieldsConnector(apiSubscriptionFieldsConfig, app.injector.instanceOf[HttpClient])
+    val connector = new APISubscriptionFieldsConnector(apiSubscriptionFieldsConfig, app.injector.instanceOf[HttpClientV2])
 
     def publishFieldDefinitions(definitions: Seq[ApiFieldDefinitions] = apiFieldDefinitions): Future[Unit] =
       connector.publishFieldDefinitions(definitions)
diff --git a/test/uk/gov/hmrc/apipublisher/connectors/MicroserviceConnectorSpec.scala b/test/uk/gov/hmrc/apipublisher/connectors/MicroserviceConnectorSpec.scala
index bb96cff..5407d80 100644
--- a/test/uk/gov/hmrc/apipublisher/connectors/MicroserviceConnectorSpec.scala
+++ b/test/uk/gov/hmrc/apipublisher/connectors/MicroserviceConnectorSpec.scala
@@ -36,7 +36,8 @@ import play.api.libs.json.{JsArray, JsObject, Json}
 import play.api.test.Helpers._
 import play.api.{Configuration, Environment}
 import uk.gov.hmrc.http.HeaderNames.xRequestId
-import uk.gov.hmrc.http.{HeaderCarrier, HttpClient, UpstreamErrorResponse}
+import uk.gov.hmrc.http.client.HttpClientV2
+import uk.gov.hmrc.http.{HeaderCarrier, UpstreamErrorResponse}
 
 import uk.gov.hmrc.apipublisher.models.APICategory.{CUSTOMS, EXAMPLE, OTHER}
 import uk.gov.hmrc.apipublisher.models._
@@ -73,7 +74,7 @@ class MicroserviceConnectorSpec extends AsyncHmrcSpec with BeforeAndAfterAll wit
       MicroserviceConnector.Config(validateApiDefinition = true, oasParserMaxDuration = 3.seconds),
       mockRamlLoader,
       mockOasFileLoader,
-      app.injector.instanceOf[HttpClient],
+      app.injector.instanceOf[HttpClientV2],
       app.injector.instanceOf[Environment]
     )
 
@@ -87,7 +88,7 @@ class MicroserviceConnectorSpec extends AsyncHmrcSpec with BeforeAndAfterAll wit
       MicroserviceConnector.Config(validateApiDefinition = false, oasParserMaxDuration = 3.seconds),
       mockRamlLoader,
       mockOasFileLoader,
-      app.injector.instanceOf[HttpClient],
+      app.injector.instanceOf[HttpClientV2],
       app.injector.instanceOf[Environment]
     )
   }
@@ -99,7 +100,7 @@ class MicroserviceConnectorSpec extends AsyncHmrcSpec with BeforeAndAfterAll wit
       MicroserviceConnector.Config(validateApiDefinition = true, oasParserMaxDuration = 3.seconds),
       mockRamlLoader,
       mockOasFileLoader,
-      app.injector.instanceOf[HttpClient],
+      app.injector.instanceOf[HttpClientV2],
       app.injector.instanceOf[Environment]
     )
   }