diff --git a/pkgs/development/ocaml-modules/ojquery/default.nix b/pkgs/development/ocaml-modules/ojquery/default.nix
index 93da2ed693aa..ec4a6114810b 100644
--- a/pkgs/development/ocaml-modules/ojquery/default.nix
+++ b/pkgs/development/ocaml-modules/ojquery/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchgit, ocaml, findlib, js_of_ocaml, camlp4 }:
+{ stdenv, fetchgit, ocaml, findlib, ocamlbuild, js_of_ocaml, camlp4 }:
 
 stdenv.mkDerivation rec {
   version = "0.1";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1n01bsk4car40p94fk1ssvww0inqapwwhdylmrb7vv40drsdldp1";
   };
 
-  buildInputs = [ ocaml findlib ];
+  buildInputs = [ ocaml findlib ocamlbuild ];
   propagatedBuildInputs = [ js_of_ocaml camlp4 ];
 
   createFindlibDestdir = true;
diff --git a/pkgs/development/ocaml-modules/tuntap/default.nix b/pkgs/development/ocaml-modules/tuntap/default.nix
index de520c643fe2..3a3e90c9d0fa 100644
--- a/pkgs/development/ocaml-modules/tuntap/default.nix
+++ b/pkgs/development/ocaml-modules/tuntap/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchzip, ocaml, findlib, ipaddr }:
+{ stdenv, fetchzip, ocaml, findlib, ocamlbuild, ipaddr }:
 
 assert stdenv.lib.versionAtLeast (stdenv.lib.getVersion ocaml) "4.01";
 
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
     sha256 = "1cmd4kky875ks02gm2nb8yr80hmlfcnjdfyc63hvkh49acssy3d5";
   };
 
-  buildInputs = [ ocaml findlib ];
+  buildInputs = [ ocaml findlib ocamlbuild ];
   propagatedBuildInputs = [ ipaddr ];
 
   createFindlibDestdir = true;
diff --git a/pkgs/development/ocaml-modules/uri/default.nix b/pkgs/development/ocaml-modules/uri/default.nix
index c7d991504ec9..ae41c8729607 100644
--- a/pkgs/development/ocaml-modules/uri/default.nix
+++ b/pkgs/development/ocaml-modules/uri/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchzip, ocaml, findlib, re, stringext, ounit
+{ stdenv, fetchzip, ocaml, findlib, ocamlbuild, re, stringext, ounit
 , sexplib, ppx_sexp_conv
 , legacyVersion ? false
 , sexplib_p4
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
     inherit sha256;
   };
 
-  buildInputs = [ ocaml findlib ounit ]
+  buildInputs = [ ocaml findlib ocamlbuild ounit ]
   ++ stdenv.lib.optional (!legacyVersion) ppx_sexp_conv;
   propagatedBuildInputs = [ re (if legacyVersion then sexplib_p4 else sexplib) stringext ];