diff --git a/pkgs/development/ocaml-modules/angstrom/default.nix b/pkgs/development/ocaml-modules/angstrom/default.nix
index 56509ab5786a..755724bc8b82 100644
--- a/pkgs/development/ocaml-modules/angstrom/default.nix
+++ b/pkgs/development/ocaml-modules/angstrom/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, ocaml, cstruct, result, findlib, ocaml_oasis }:
+{ stdenv, fetchFromGitHub, ocaml, ocamlbuild, cstruct, result, findlib, ocaml_oasis }:
 
 stdenv.mkDerivation rec {
   version = "0.3.0";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   createFindlibDestdir = true;
 
-  buildInputs = [ ocaml ocaml_oasis findlib ];
+  buildInputs = [ ocaml ocaml_oasis findlib ocamlbuild ];
   propagatedBuildInputs = [ result cstruct ];
 
   meta = {
diff --git a/pkgs/development/ocaml-modules/cstruct/default.nix b/pkgs/development/ocaml-modules/cstruct/default.nix
index 8c1aac4d83b2..eb148311be0b 100644
--- a/pkgs/development/ocaml-modules/cstruct/default.nix
+++ b/pkgs/development/ocaml-modules/cstruct/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, writeText, fetchFromGitHub, ocaml, ocplib-endian, sexplib, findlib, ppx_tools
+{ stdenv, writeText, fetchFromGitHub, ocaml, ocamlbuild, ocplib-endian, sexplib, findlib, ppx_tools
 , async ? null, lwt ? null
 }:
 
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
 
   configureFlags = [ "${opt lwt}-lwt" "${opt async}-async" "${opt ppx_tools}-ppx" ];
 
-  buildInputs = [ ocaml findlib ppx_tools lwt async ];
+  buildInputs = [ ocaml findlib ocamlbuild ppx_tools lwt async ];
   propagatedBuildInputs = [ ocplib-endian sexplib ];
 
   createFindlibDestdir = true;
diff --git a/pkgs/development/ocaml-modules/ezjsonm/default.nix b/pkgs/development/ocaml-modules/ezjsonm/default.nix
index 44d8ce393fbd..aec6851e12bc 100644
--- a/pkgs/development/ocaml-modules/ezjsonm/default.nix
+++ b/pkgs/development/ocaml-modules/ezjsonm/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchzip, ocaml, findlib, jsonm, hex, sexplib, lwt }:
+{ stdenv, fetchzip, ocaml, findlib, ocamlbuild, jsonm, hex, sexplib, lwt }:
 
 let version = "0.4.3"; in
 
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
     sha256 = "1y6p3ga6vj1wx5dyns7hjgd0qgrrn2hnn323a7y5didgci5pybls";
   };
 
-  buildInputs = [ ocaml findlib lwt ];
+  buildInputs = [ ocaml findlib ocamlbuild lwt ];
   propagatedBuildInputs = [ jsonm hex sexplib ];
   createFindlibDestdir = true;
 
diff --git a/pkgs/development/ocaml-modules/hex/default.nix b/pkgs/development/ocaml-modules/hex/default.nix
index 07b7773ff2c7..56d5e07f1d19 100644
--- a/pkgs/development/ocaml-modules/hex/default.nix
+++ b/pkgs/development/ocaml-modules/hex/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchzip, ocaml, findlib, cstruct }:
+{ stdenv, fetchzip, ocaml, findlib, ocamlbuild, cstruct }:
 
 let version = "1.0.0"; in
 
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
     sha256 = "0g4cq4bsksga15fa5ln083gkglawknbnhi2s4k8yk0yi5xngvwm4";
   };
 
-  buildInputs = [ ocaml findlib ];
+  buildInputs = [ ocaml findlib ocamlbuild ];
   propagatedBuildInputs = [ cstruct ];
   configureFlags = "--enable-tests";
   doCheck = true;
diff --git a/pkgs/development/ocaml-modules/io-page/default.nix b/pkgs/development/ocaml-modules/io-page/default.nix
index 8580bb647134..ed058d82a0ed 100644
--- a/pkgs/development/ocaml-modules/io-page/default.nix
+++ b/pkgs/development/ocaml-modules/io-page/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchzip, ocaml, findlib, cstruct }:
+{ stdenv, fetchzip, ocaml, findlib, ocamlbuild, cstruct }:
 
 let version = "1.5.1"; in
 
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
     sha256 = "0y92wbvi129d0i7wr4lpk1ps9l247zaf1ibqqz0i6spgl28dyq79";
   };
 
-  buildInputs = [ ocaml findlib ];
+  buildInputs = [ ocaml findlib ocamlbuild ];
   propagatedBuildInputs = [ cstruct ];
 
   createFindlibDestdir = true;