diff --git a/pkgs/development/ocaml-modules/uri/default.nix b/pkgs/development/ocaml-modules/uri/default.nix
index fd18413826b6..e17e99cdc67c 100644
--- a/pkgs/development/ocaml-modules/uri/default.nix
+++ b/pkgs/development/ocaml-modules/uri/default.nix
@@ -1,5 +1,5 @@
-{ lib, fetchurl, buildDunePackage, ppx_sexp_conv, ounit
-, re, sexplib0, stringext
+{ lib, fetchurl, buildDunePackage, ounit
+, re, stringext
 }:
 
 buildDunePackage rec {
@@ -12,7 +12,7 @@ buildDunePackage rec {
   };
 
   buildInputs = [ ounit ];
-  propagatedBuildInputs = [ ppx_sexp_conv re sexplib0 stringext ];
+  propagatedBuildInputs = [ re stringext ];
   doCheck = true;
 
   meta = {
diff --git a/pkgs/development/ocaml-modules/uri/sexp.nix b/pkgs/development/ocaml-modules/uri/sexp.nix
new file mode 100644
index 000000000000..c6f979e5a3e7
--- /dev/null
+++ b/pkgs/development/ocaml-modules/uri/sexp.nix
@@ -0,0 +1,13 @@
+{ lib, ocaml, buildDunePackage, uri, ounit, ppx_sexp_conv, sexplib0 }:
+
+if !lib.versionAtLeast ocaml.version "4.04"
+then throw "uri-sexp is not available for OCaml ${ocaml.version}"
+else
+
+buildDunePackage {
+  pname = "uri-sexp";
+  inherit (uri) version src doCheck meta;
+
+  buildInputs = [ ounit ];
+  propagatedBuildInputs = [ ppx_sexp_conv sexplib0 uri ];
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 682215117069..16dd32a8a7a6 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -768,6 +768,8 @@ let
       then callPackage ../development/ocaml-modules/uri { }
       else callPackage ../development/ocaml-modules/uri/legacy.nix { };
 
+    uri-sexp = callPackage ../development/ocaml-modules/uri/sexp.nix { };
+
     uri_p4 = callPackage ../development/ocaml-modules/uri/legacy.nix {
       legacyVersion = true;
     };