diff --git a/README.md b/README.md
index df1098b6..727bb299 100644
--- a/README.md
+++ b/README.md
@@ -5,8 +5,7 @@
 
 This is the core library used to build some of Imandra's projects.
 
-It builds on top of [containers](https://github.com/c-cube/ocaml-containers/)
-and [Moonpool](https://github.com/c-cube/moonpool/).
+It builds on top of [containers](https://github.com/c-cube/ocaml-containers/), [Moonpool](https://github.com/c-cube/moonpool/), as well as `mtime`, `ptime`, `logs`, `hmap`, `base64`, `uuidm`, and `ppx_deriving`.
 
 ## License
 
diff --git a/dune-project b/dune-project
index d76c6f74..23dc6b15 100644
--- a/dune-project
+++ b/dune-project
@@ -33,11 +33,9 @@
   camlzip
   (mtime
    (>= 2.0))
-  (zarith
-   (>= 1.12))
   ppx_deriving
-  (qcheck-core (and (>= 0.18) :with-test))
   (trace (>= 0.7))
+  (qcheck-core (and (>= 0.18) :with-test))
   (trace-tef :with-test)
   (ocaml-lsp-server :with-dev-setup)
   (ocamlformat (and (= 0.24.1) :with-dev-setup))
diff --git a/imandrakit.opam b/imandrakit.opam
index 0dce91dd..47938aa7 100644
--- a/imandrakit.opam
+++ b/imandrakit.opam
@@ -24,10 +24,9 @@ depends: [
   "yojson" {>= "1.6"}
   "camlzip"
   "mtime" {>= "2.0"}
-  "zarith" {>= "1.12"}
   "ppx_deriving"
-  "qcheck-core" {>= "0.18" & with-test}
   "trace" {>= "0.7"}
+  "qcheck-core" {>= "0.18" & with-test}
   "trace-tef" {with-test}
   "ocaml-lsp-server" {with-dev-setup}
   "ocamlformat" {= "0.24.1" & with-dev-setup}