diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 0000000..0c968cf
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,2 @@
+# Scala Steward: Reformat with scalafmt 3.9.7
+502ea841d2fa3e7b5dfb2b50a4c4763be6f44cf1
diff --git a/.scalafmt.conf b/.scalafmt.conf
index 8cbb542..d6c388f 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,2 +1,2 @@
-version=3.9.6
+version=3.9.7
 runner.dialect = "scala213source3"
diff --git a/code-gen/src/main/scala/scalapb/grpcweb/GrpcWebServicePrinter.scala b/code-gen/src/main/scala/scalapb/grpcweb/GrpcWebServicePrinter.scala
index 27f6409..a8a919b 100644
--- a/code-gen/src/main/scala/scalapb/grpcweb/GrpcWebServicePrinter.scala
+++ b/code-gen/src/main/scala/scalapb/grpcweb/GrpcWebServicePrinter.scala
@@ -104,7 +104,7 @@ final class GrpcWebServicePrinter(
 
   private[this] def clientMethodImpl(m: MethodDescriptor): PrinterEndo = { p =>
     val (maybeObserver, methodName) = (m.streamType match {
-      case StreamType.Unary => ("", "asyncUnaryCall")
+      case StreamType.Unary           => ("", "asyncUnaryCall")
       case StreamType.ServerStreaming =>
         (", responseObserver", "asyncServerStreamingCall")
       case _ => ???
diff --git a/grpcweb/src/main/scala/io/grpc/grpc.scala b/grpcweb/src/main/scala/io/grpc/grpc.scala
index 309bd12..437153d 100644
--- a/grpcweb/src/main/scala/io/grpc/grpc.scala
+++ b/grpcweb/src/main/scala/io/grpc/grpc.scala
@@ -301,7 +301,7 @@ object Status {
     def valueOf(value: String): Code = {
       values.find(_.name() == value) match {
         case Some(code) => code
-        case _ =>
+        case _          =>
           throw new IllegalArgumentException(s"Unrecognized code: $value")
       }
     }