diff --git a/pkgs/development/ocaml-modules/cmdliner/default.nix b/pkgs/development/ocaml-modules/cmdliner/1_0.nix
similarity index 100%
rename from pkgs/development/ocaml-modules/cmdliner/default.nix
rename to pkgs/development/ocaml-modules/cmdliner/1_0.nix
diff --git a/pkgs/development/ocaml-modules/cmdliner/1_1.nix b/pkgs/development/ocaml-modules/cmdliner/1_1.nix
new file mode 100644
index 000000000000..001d967fca1b
--- /dev/null
+++ b/pkgs/development/ocaml-modules/cmdliner/1_1.nix
@@ -0,0 +1,32 @@
+{ lib, stdenv, fetchurl, ocaml, findlib, ocamlbuild, topkg, result }:
+
+stdenv.mkDerivation rec {
+  pname = "cmdliner";
+  version = "1.1.1";
+
+  src = fetchurl {
+    url = "https://erratique.ch/software/${pname}/releases/${pname}-${version}.tbz";
+    sha256 = "sha256-oa6Hw6eZQO+NHdWfdED3dtHckm4BmEbdMiAuRkYntfs=";
+  };
+
+  minimalOCamlVersion = "4.08";
+  nativeBuildInputs = [ ocaml ];
+
+  makeFlags = [ "PREFIX=$(out)" ];
+  installTargets = "install install-doc";
+  installFlags = [
+    "LIBDIR=$(out)/lib/ocaml/${ocaml.version}/site-lib/${pname}"
+    "DOCDIR=$(out)/share/doc/${pname}"
+  ];
+  postInstall = ''
+    mv $out/lib/ocaml/${ocaml.version}/site-lib/${pname}/{opam,${pname}.opam}
+  '';
+
+  meta = with lib; {
+    homepage = "https://erratique.ch/software/cmdliner";
+    description = "An OCaml module for the declarative definition of command line interfaces";
+    license = licenses.isc;
+    inherit (ocaml.meta) platforms;
+    maintainers = [ maintainers.vbgl ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index a1effc538b60..3bbfd736f7f0 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -177,7 +177,13 @@ let
 
     cil = callPackage ../development/ocaml-modules/cil { };
 
-    cmdliner = callPackage ../development/ocaml-modules/cmdliner { };
+    cmdliner_1_0 = callPackage ../development/ocaml-modules/cmdliner/1_0.nix { };
+
+    cmdliner_1_1 = callPackage ../development/ocaml-modules/cmdliner/1_1.nix { };
+
+    # The 1.1.0 release broke a lot of packages and is not compatible with
+    # OCaml < 4.08.
+    cmdliner = cmdliner_1_0;
 
     cohttp = callPackage ../development/ocaml-modules/cohttp { };