diff --git a/odoc-bench.opam b/odoc-bench.opam
index c0c7d2616c..614e8defb9 100644
--- a/odoc-bench.opam
+++ b/odoc-bench.opam
@@ -44,4 +44,8 @@ depends: [
   "core" {= "v0.16.2"}
   "core_kernel" {= "v0.16.0"}
   "crunch"
+  "odig"
+  "base"
+  "alcotest"
+  "menhirLib"
 ]