diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index b4075ea..9ecedf6 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -1,2 +1,5 @@
 # #97 Introduce sbt-http4s-org plugin
 b92d1dbfcc29d3afcca0d2c143528f07b949dcd3
+
+# Scala Steward: Reformat with scalafmt 3.8.4
+249ecb53ddeb3bca3a4ba5489ef32877f6299dfb
diff --git a/.scalafmt.conf b/.scalafmt.conf
index 488a036..bce0468 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = 3.8.3
+version = 3.8.4
 
 style = default
 
diff --git a/codegen/plugin/src/main/scala/org/http4s/grpc/sbt/Http4sGrpcPlugin.scala b/codegen/plugin/src/main/scala/org/http4s/grpc/sbt/Http4sGrpcPlugin.scala
index c341303..b433c99 100644
--- a/codegen/plugin/src/main/scala/org/http4s/grpc/sbt/Http4sGrpcPlugin.scala
+++ b/codegen/plugin/src/main/scala/org/http4s/grpc/sbt/Http4sGrpcPlugin.scala
@@ -44,7 +44,7 @@ object Http4sGrpcPlugin extends AutoPlugin {
     List(
       Compile / http4sGrpcOutputPath := (Compile / sourceManaged).value / "http4s-grpc",
       Compile / http4sGrpcScalaPBOptions := Seq.empty,
-      Compile / PB.targets += {
+      Compile / PB.targets +=
         Target(
           SandboxedJvmGenerator.forModule(
             "scala-http4s-grpc",
@@ -58,8 +58,7 @@ object Http4sGrpcPlugin extends AutoPlugin {
           ),
           (Compile / http4sGrpcOutputPath).value,
           (Compile / http4sGrpcScalaPBOptions).value,
-        )
-      },
+        ),
       libraryDependencies ++= Seq(
         BuildInfo.organization %%% BuildInfo.coreModule % BuildInfo.version
       ),