diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index cbc018a2..32fcbed3 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -4,3 +4,6 @@
 #
 # Added scalafmt
 af2396558918fea00eaa2da12906a3012eb72153
+
+# Scala Steward: Reformat with scalafmt 3.5.9
+e233420d8f4cdd863932d3c1c41deb2da6c1bace
diff --git a/.scalafmt.conf b/.scalafmt.conf
index cf225549..724cb1f0 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,3 +1,3 @@
-version = "3.5.8"
+version = "3.5.9"
 project.git = true
 runner.dialect = "scala213"
diff --git a/src/sbt-test/scoverage/coverage-excluded-files/build.sbt b/src/sbt-test/scoverage/coverage-excluded-files/build.sbt
index 510da746..22856a91 100644
--- a/src/sbt-test/scoverage/coverage-excluded-files/build.sbt
+++ b/src/sbt-test/scoverage/coverage-excluded-files/build.sbt
@@ -5,7 +5,7 @@ scalaVersion := "2.13.6"
 libraryDependencies += "org.scalameta" %% "munit" % "0.7.29" % Test
 
 coverageExcludedFiles := ".*\\/two\\/GoodCoverage"
- 
+
 resolvers ++= {
   if (sys.props.get("plugin.version").exists(_.endsWith("-SNAPSHOT")))
     Seq(Resolver.sonatypeRepo("snapshots"))
diff --git a/src/sbt-test/scoverage/coverage-excluded-files/src/main/scala/GoodCoverage.scala b/src/sbt-test/scoverage/coverage-excluded-files/src/main/scala/GoodCoverage.scala
index fed56c82..ac6582bb 100644
--- a/src/sbt-test/scoverage/coverage-excluded-files/src/main/scala/GoodCoverage.scala
+++ b/src/sbt-test/scoverage/coverage-excluded-files/src/main/scala/GoodCoverage.scala
@@ -1,5 +1,5 @@
 object GoodCoverage {
-  
+
   def sum(num1: Int, num2: Int) = {
     if (0 == num1) num2 else if (0 == num2) num1 else num1 + num2
   }
diff --git a/src/sbt-test/scoverage/coverage-excluded-packages/build.sbt b/src/sbt-test/scoverage/coverage-excluded-packages/build.sbt
index 85ca957d..39d7fecc 100644
--- a/src/sbt-test/scoverage/coverage-excluded-packages/build.sbt
+++ b/src/sbt-test/scoverage/coverage-excluded-packages/build.sbt
@@ -5,7 +5,7 @@ scalaVersion := "2.13.6"
 libraryDependencies += "org.scalameta" %% "munit" % "0.7.29" % Test
 
 coverageExcludedPackages := "two\\..*"
- 
+
 resolvers ++= {
   if (sys.props.get("plugin.version").exists(_.endsWith("-SNAPSHOT")))
     Seq(Resolver.sonatypeRepo("snapshots"))
diff --git a/src/sbt-test/scoverage/coverage-excluded-packages/src/main/scala/GoodCoverage.scala b/src/sbt-test/scoverage/coverage-excluded-packages/src/main/scala/GoodCoverage.scala
index fed56c82..ac6582bb 100644
--- a/src/sbt-test/scoverage/coverage-excluded-packages/src/main/scala/GoodCoverage.scala
+++ b/src/sbt-test/scoverage/coverage-excluded-packages/src/main/scala/GoodCoverage.scala
@@ -1,5 +1,5 @@
 object GoodCoverage {
-  
+
   def sum(num1: Int, num2: Int) = {
     if (0 == num1) num2 else if (0 == num2) num1 else num1 + num2
   }