diff --git a/lib/dune b/lib/dune
index 40a5ffaa018ae61f159c8053b1ba945e19c4bbcb..ae777af4f733afecf357138c0068f92cf3e40c4b 100644
--- a/lib/dune
+++ b/lib/dune
@@ -1,7 +1,7 @@
 (library
  (name lutils)
  (public_name lutils)
- (libraries unix str num)
+ (libraries unix str num camlp-streams)
  (wrapped false)
  (synopsis "A lib shared by Verimag/synchronous tools (lustre-v6, lutin, rdbg).")
  )
diff --git a/lutils.opam b/lutils.opam
index bb1ac0f6e9dfec32590320881613a8d6b182a56a..e1ae0b5bc14b85737b620a8f6ae77e9cf423a6a7 100644
--- a/lutils.opam
+++ b/lutils.opam
@@ -14,6 +14,7 @@ depends: [
   "base-unix"
   "ocamlfind"
   "num"
+  "camlp-streams"
 ]
 build: [
   ["dune" "build" "-p" name "-j" jobs]