diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 4ece38d..add2810 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -1,2 +1,5 @@
 # Scala Steward: Reformat with scalafmt 3.8.1
 9dd9b24328ef9e0200929265b623295bf8f7f6a3
+
+# Scala Steward: Reformat with scalafmt 3.8.6
+12ea712573e8e3e8b26a9c3bb69ad0e921b8cfbb
diff --git a/.scalafmt.conf b/.scalafmt.conf
index 9d98a42..463060b 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,2 +1,2 @@
-version = 3.8.3
+version = 3.8.6
 runner.dialect = "scala213source3"
\ No newline at end of file
diff --git a/prox-core/src/main/scala/io/github/vigoo/prox/runner.scala b/prox-core/src/main/scala/io/github/vigoo/prox/runner.scala
index 2e7a114..9327222 100644
--- a/prox-core/src/main/scala/io/github/vigoo/prox/runner.scala
+++ b/prox-core/src/main/scala/io/github/vigoo/prox/runner.scala
@@ -240,8 +240,10 @@ trait ProcessRunnerModule {
         firstProcess: Process[ProxStream[Byte], E]
           with RedirectableInput[Process[ProxStream[Byte], E]],
         previousOutput: ProxStream[Byte],
-        remainingProcesses: List[Process[ProxStream[Byte], E]
-          with RedirectableInput[Process[ProxStream[Byte], E]]],
+        remainingProcesses: List[
+          Process[ProxStream[Byte], E]
+            with RedirectableInput[Process[ProxStream[Byte], E]]
+        ],
         startedProcesses: List[RunningProcess[_, E, Info]]
     ): ProxIO[(List[RunningProcess[_, E, Info]], ProxStream[Byte])] = {
       startProcess(