diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 1381699..6a4ae8d 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -3,3 +3,6 @@ e9c360c74c28108fdcda99987cbde6a946432feb
 
 # Scala Steward: Reformat with scalafmt 3.8.2
 325cdc3a20b7dabb09e4707430ed8226ef59b13b
+
+# Scala Steward: Reformat with scalafmt 3.9.8
+3b30a4258fa099e596d600f0e227492b495ae1ec
diff --git a/.scalafmt.conf b/.scalafmt.conf
index f040b5d..6d6bc40 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = 3.9.2
+version = 3.9.8
 
 runner.dialect                  = scala213source3
 style                           = defaultWithAlign
diff --git a/cli/src/main/scala/http/DevServer.scala b/cli/src/main/scala/http/DevServer.scala
index 8100547..efaa931 100644
--- a/cli/src/main/scala/http/DevServer.scala
+++ b/cli/src/main/scala/http/DevServer.scala
@@ -210,7 +210,7 @@ object DevServer {
       ),
       isBase64Encoded = false,
       body = body,
-      pathParameters = js.undefined,                         // TODO: js.Dictionary for /{id}/ in URL
+      pathParameters = js.undefined, // TODO: js.Dictionary for /{id}/ in URL
       queryStringParameters = queryParameters.toJSDictionary, // js.Dictionary[String](),
     )