diff --git a/fmts/testdata/resources/scala/build.sbt b/fmts/testdata/resources/scala/build.sbt
index 10db57a..a8fd0ff 100644
--- a/fmts/testdata/resources/scala/build.sbt
+++ b/fmts/testdata/resources/scala/build.sbt
@@ -1,4 +1,4 @@
-scalaVersion := "2.13.12"
+scalaVersion := "3.8.4"
 
 scalacOptions ++= Seq(
   "-Ywarn-unused"