diff --git a/tests/unit/dune b/tests/unit/dune
index 4855eedd..4bc4f509 100644
--- a/tests/unit/dune
+++ b/tests/unit/dune
@@ -1,4 +1,5 @@
 
 (test
   (name t_util)
+  (package tiny_httpd)
   (libraries tiny_httpd qcheck-core qcheck-core.runner))