diff --git a/.scalafmt.conf b/.scalafmt.conf
index 9c0daae9..9da91bcd 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,3 +1,3 @@
-version = 3.8.6
+version = 3.9.0
 maxColumn = 140
 runner.dialect = scala3
diff --git a/build.sbt b/build.sbt
index ced03729..428b24c0 100644
--- a/build.sbt
+++ b/build.sbt
@@ -18,7 +18,7 @@ val circeVersion = "0.14.10"
 val circeGenericsExtrasVersion = "0.14.3"
 val sttpVersion = "3.10.2"
 val prometheusVersion = "0.16.0"
-val scalafmtVersion = "3.8.6"
+val scalafmtVersion = "3.9.0"
 val scalaLoggingVersion = "3.9.5"
 val logbackClassicVersion = "1.5.16"
 val scalaTestVersion = "3.2.19"