diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 0000000..6f0d5c5
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,2 @@
+# Scala Steward: Reformat with scalafmt 3.8.6
+40082151252a62a19e55818aa55d6cd6eed7cb59
diff --git a/.scalafmt.conf b/.scalafmt.conf
index caca09e..b7e31aa 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = 3.8.1
+version = 3.8.6
 
 style = default
 
diff --git a/build.sbt b/build.sbt
index 507934a..d5901d0 100644
--- a/build.sbt
+++ b/build.sbt
@@ -116,8 +116,7 @@ ThisBuild / startTestServer := {
   TestServer.start()
 }
 
-ThisBuild / stopTestServer := {
+ThisBuild / stopTestServer :=
   TestServer.stop()
-}
 
 addCommandAlias("integrate", "startTestServer; test")