diff --git a/compiler/_tags.in b/compiler/_tags.in
index 3a2e96f..658dc00 100644
--- a/compiler/_tags.in
+++ b/compiler/_tags.in
@@ -6,6 +6,7 @@ true: use_menhir
 <**/*.{byte,native}>: package(unix), package(str), debug, custom
 <**/heptc.{byte,native}>: package(menhirLib), package(ocamlgraph)
 <main/hepts.{ml,byte,native}>: package(lablgtk2), thread
+"heptagon/parsing/hept_parser.mli": package(menhirLib)
 
 <**/*.ml*> or <**/{heptc,ctrl2ept}.{byte,native}>: @package_reatk_ctrlNbac@
 "minils/main/mls_compiler.ml" or "main/mls2seq.ml": pp(camlp4o pa_macro.cmo @ctrln_pp@)