diff --git a/dune-project b/dune-project
index 18c5ade8..ddf01fef 100644
--- a/dune-project
+++ b/dune-project
@@ -30,6 +30,6 @@
  (depopts
    (domain-local-await (>= 0.2)))
  (tags
-  (thread pool domain)))
+  (thread pool domain futures fork-join)))
 
 ; See the complete stanza docs at https://dune.readthedocs.io/en/stable/dune-files.html#dune-project
diff --git a/moonpool.opam b/moonpool.opam
index 3a1be0b0..547b18c1 100644
--- a/moonpool.opam
+++ b/moonpool.opam
@@ -5,7 +5,7 @@ synopsis: "Pools of threads supported by a pool of domains"
 maintainer: ["Simon Cruanes"]
 authors: ["Simon Cruanes"]
 license: "MIT"
-tags: ["thread" "pool" "domain"]
+tags: ["thread" "pool" "domain" "futures" "fork-join"]
 homepage: "https://github.com/c-cube/moonpool"
 bug-reports: "https://github.com/c-cube/moonpool/issues"
 depends: [