diff --git a/bag_replicator/src/test/scala/weco/storage/transfer/fixtures/S3TransferManagerFixtures.scala b/bag_replicator/src/test/scala/weco/storage/transfer/fixtures/S3TransferManagerFixtures.scala
index 12fa2e42b..12ffe60da 100644
--- a/bag_replicator/src/test/scala/weco/storage/transfer/fixtures/S3TransferManagerFixtures.scala
+++ b/bag_replicator/src/test/scala/weco/storage/transfer/fixtures/S3TransferManagerFixtures.scala
@@ -9,7 +9,7 @@ import java.net.URI
 trait S3TransferManagerFixtures extends S3Fixtures {
   def createS3TransferManagerWithEndpoint(endpoint: String): S3TransferManager = {
     val s3AsyncClient =
-      S3AsyncClient.builder()
+      S3AsyncClient.crtBuilder()
         .credentialsProvider(s3Credentials)
         .forcePathStyle(true)
         .endpointOverride(new URI(endpoint))