diff --git a/tools/dune b/tools/dune
index c5358bb23b..f5589b29cc 100644
--- a/tools/dune
+++ b/tools/dune
@@ -6,4 +6,4 @@
 (executable
  (name ci_setup)
  (modules ci_setup)
- (libraries opam-format unix))
\ No newline at end of file
+ (libraries opam-format unix))