diff --git a/src/lib/detect.ts b/src/lib/detect.ts
index 643fcba40a0..be0be9873d5 100644
--- a/src/lib/detect.ts
+++ b/src/lib/detect.ts
@@ -50,6 +50,7 @@ export const AUTO_DETECTABLE_FILES: string[] = [
   'vendor.json',
   'Pipfile',
   'requirements.txt',
+  'build.sbt',
 ];
 
 // when file is specified with --file, we look it up here