index 3ec5810..b2d8d6d 100644
--- a/src_test/ppx_deriving/dune
+++ b/src_test/ppx_deriving/dune
@@ -2,4 +2,4 @@
  (name test_ppx_import)
  (preprocess
   (staged_pps ppx_import ppx_deriving.show))
- (libraries compiler-libs.common oUnit))
+ (libraries compiler-libs.common ounit2))
