diff --git a/tests/posix/dune b/tests/posix/dune
index 08e8e1a..9a36abc 100644
--- a/tests/posix/dune
+++ b/tests/posix/dune
@@ -1,3 +1,4 @@
 (tests
  (names t1)
+ (package nanoev-posix)
  (libraries nanoev nanoev-posix threads))
diff --git a/tests/unix/dune b/tests/unix/dune
index 3ee6379..a0d2d49 100644
--- a/tests/unix/dune
+++ b/tests/unix/dune
@@ -1,3 +1,4 @@
 (tests
  (names t1)
+ (package nanoev)
  (libraries nanoev nanoev.unix threads))