diff --git a/.scalafmt.conf b/.scalafmt.conf
index fb218e2..3a6a8a3 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -2,6 +2,16 @@ version = "3.7.14"
 
 runner.dialect = "scala3"
 
+fileOverride {
+  "glob:**.sbt" {
+    runner.dialect = scala212source3
+  }
+
+  "glob:**/project/**.*" {
+    runner.dialect = scala212source3
+  }
+}
+
 align.preset = more
 
 align.tokens = [