diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 17cb8f6..786edc2 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -1,2 +1,5 @@
 # Scala Steward: Reformat with scalafmt 3.7.15
 06eb25c80d98c654a446e0625988333cde075769
+
+# Scala Steward: Reformat with scalafmt 3.8.4
+2feefe601eb6fdd878f7deef47102acdee48d58b
diff --git a/.scalafmt.conf b/.scalafmt.conf
index 6786dce..7fe83f2 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,3 +1,3 @@
 runner.dialect = scala3
-version = 3.8.3
+version = 3.8.4
 maxColumn = 120
\ No newline at end of file
diff --git a/odelay-testing/src/test/scalajs/TimerSpec.scala b/odelay-testing/src/test/scalajs/TimerSpec.scala
index 4c79092..341679f 100644
--- a/odelay-testing/src/test/scalajs/TimerSpec.scala
+++ b/odelay-testing/src/test/scalajs/TimerSpec.scala
@@ -66,7 +66,7 @@ class TimerSpec extends AsyncFunSpec with BeforeAndAfterAll {
       val future = Delay(1.second)(throw CustomException).future
       future.transformWith {
         case Failure(exception) => assert(exception === CustomException)
-        case _ => fail("The delayed future was expected to fail")
+        case _                  => fail("The delayed future was expected to fail")
       }
     }