diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 6a42d8e..054b765 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -1,2 +1,5 @@
 # Scala Steward: Reformat with scalafmt 3.6.0
 6bb704e2f4cdec77ce43ee9cec34b6a98e8edfbd
+
+# Scala Steward: Reformat with scalafmt 3.9.10
+0e1c2e4eaaf255ff3accce22ed0eab202e20f4a6
diff --git a/.scalafmt.conf b/.scalafmt.conf
index 9bf892b..ecf6900 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = "3.9.4"
+version = "3.9.10"
 runner.dialect = scala3
 maxColumn = 120
 trailingCommas = always
diff --git a/build.sbt b/build.sbt
index 8ef65b6..5d71220 100644
--- a/build.sbt
+++ b/build.sbt
@@ -7,7 +7,7 @@ scalaVersion       := crossScalaVersions.value.last
 
 val isScala3 = Def.setting(CrossVersion.partialVersion(scalaVersion.value).exists(_._1 == 3))
 
-scalacOptions --= Seq("-Xfatal-warnings")                        // overwrite sbt-tpolecat setting
+scalacOptions --= Seq("-Xfatal-warnings") // overwrite sbt-tpolecat setting
 scalacOptions ++= (if (isScala3.value) Seq("-scalajs") else Nil) // needed for Scala3 + ScalaJS
 
 enablePlugins(ScalaJSPlugin, ScalaJSBundlerPlugin)