diff --git a/pkgs/development/ocaml-modules/biotk/default.nix b/pkgs/development/ocaml-modules/biotk/default.nix
new file mode 100644
index 000000000000..33a98f71cb67
--- /dev/null
+++ b/pkgs/development/ocaml-modules/biotk/default.nix
@@ -0,0 +1,56 @@
+{ lib
+, buildDunePackage
+, fetchurl
+, angstrom-unix
+, binning
+, ocaml-crunch
+, camlzip
+, core_kernel
+, core_unix
+, csvfields
+, fmt
+, gsl
+, ppx_csv_conv
+, ppx_deriving
+, rresult
+, tyxml
+, uri
+, vg
+}:
+
+buildDunePackage rec {
+  pname = "biotk";
+  version = "0.2.0";
+
+  minimalOCamlVersion = "4.13";
+
+  src = fetchurl {
+    url = "https://github.com/pveber/biotk/releases/download/v${version}/biotk-${version}.tbz";
+    hash = "sha256-FQvbVj5MmraSN6AmOckKgJ/LB14E/pCsPvPvNppcv7A=";
+  };
+
+  nativeBuildInputs = [ ocaml-crunch ];
+
+  buildInputs = [ ppx_csv_conv ];
+
+  propagatedBuildInputs = [
+    angstrom-unix
+    binning
+    camlzip
+    core_kernel
+    core_unix
+    csvfields
+    fmt
+    gsl
+    ppx_deriving
+    rresult
+    tyxml
+    uri
+    vg
+  ];
+
+  meta = {
+    description = "Toolkit for bioinformatics in OCaml";
+    license = lib.licenses.cecill-c;
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 5a218122a3a6..de27e8d83d8b 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -92,6 +92,8 @@ let
 
     biocaml = janeStreet_0_15.biocaml;
 
+    biotk = janeStreet_0_15.biotk;
+
     bisect_ppx = callPackage ../development/ocaml-modules/bisect_ppx { };
 
     bistro = callPackage ../development/ocaml-modules/bistro { };
@@ -821,6 +823,15 @@ let
         cfstream = self.cfstream.override { inherit core_kernel; };
       };
 
+      biotk = let
+        angstrom = self.angstrom.override { inherit ppx_let; };
+      in callPackage ../development/ocaml-modules/biotk {
+        angstrom-unix = self.angstrom-unix.override { inherit angstrom; };
+        ppx_deriving = self.ppx_deriving.override { inherit (jsDeps) ppxlib; };
+        uri = self.uri.override { inherit angstrom; };
+        vg = self.vg.override { htmlcBackend = false; };
+      };
+
       phylogenetics = let
         angstrom = self.angstrom.override { inherit ppx_let; };
       in callPackage ../development/ocaml-modules/phylogenetics {