diff --git a/sherlodoc.opam b/sherlodoc.opam
index c40545fec6..7710ce4c11 100644
--- a/sherlodoc.opam
+++ b/sherlodoc.opam
@@ -23,6 +23,7 @@ depends: [
   "ppx_blob" {>= "0.7.2"}
   "tyxml" {>= "4.6.0"}
   "result" {>= "1.5"}
+  "menhirLib" {>= "20230608" & with-test}
   "odig" {with-test}
   "base" {with-test & = "v0.16.3"}
   "alcotest" {with-test}