diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 0fbaab8e..7a708249 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -4,3 +4,6 @@
 4e224a6ff898ddf989d9a69b95ea6349f605ec90
 # Scala Steward: Reformat with scalafmt 3.8.2
 c980f5875ba856d02ca8da6162f54f44793dcd16
+
+# Scala Steward: Reformat with scalafmt 3.8.4
+91ba17e0dd3a2f4a64013132ea2aba11622c8eab
diff --git a/.scalafmt.conf b/.scalafmt.conf
index bf6870c8..7193c3ad 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = 3.8.3
+version = 3.8.4
 runner.dialect = Scala213Source3
 maxColumn = 100
 indent.defnSite = 2
diff --git a/src/main/scala/com/advancedtelematic/director/db/deviceregistry/DeviceRepository.scala b/src/main/scala/com/advancedtelematic/director/db/deviceregistry/DeviceRepository.scala
index be80cd6d..79197991 100644
--- a/src/main/scala/com/advancedtelematic/director/db/deviceregistry/DeviceRepository.scala
+++ b/src/main/scala/com/advancedtelematic/director/db/deviceregistry/DeviceRepository.scala
@@ -152,8 +152,8 @@ object DeviceRepository {
   def findByDeviceUuids(ns: Namespace, deviceIds: Seq[DeviceId]): DBIO[Seq[DeviceDB]] =
     findByUuids(ns, deviceIds).result
 
-  def updateLastSeen(uuid: DeviceId, when: Instant)(
-    implicit ec: ExecutionContext): DBIO[Boolean] = {
+  def updateLastSeen(uuid: DeviceId,
+                     when: Instant)(implicit ec: ExecutionContext): DBIO[Boolean] = {
     val sometime = Some(when)
 
     val dbIO = for {
diff --git a/src/test/scala/com/advancedtelematic/director/http/AdminResourceSpec.scala b/src/test/scala/com/advancedtelematic/director/http/AdminResourceSpec.scala
index 13b03523..b25a2903 100644
--- a/src/test/scala/com/advancedtelematic/director/http/AdminResourceSpec.scala
+++ b/src/test/scala/com/advancedtelematic/director/http/AdminResourceSpec.scala
@@ -268,9 +268,7 @@ class AdminResourceSpec
         responseAs[SignedPayload[TargetsRole]].signed.version shouldBe 1
       }
 
-      Put(
-        apiUri(s"admin/devices/${dev.deviceId.show}/targets.json")
-      ).namespaced ~> routes ~> check {
+      Put(apiUri(s"admin/devices/${dev.deviceId.show}/targets.json")).namespaced ~> routes ~> check {
         status shouldBe StatusCodes.Accepted
       }