diff --git a/pkgs/development/ocaml-modules/cmdliner/default.nix b/pkgs/development/ocaml-modules/cmdliner/default.nix
index 0a35dc92296..546d2aaa522 100644
--- a/pkgs/development/ocaml-modules/cmdliner/default.nix
+++ b/pkgs/development/ocaml-modules/cmdliner/default.nix
@@ -6,7 +6,7 @@ let
   ocaml_version = (builtins.parseDrvName ocaml.name).version;
 in
 
-assert stdenv.lib.versionAtLeast ocaml_version "3.12";
+assert stdenv.lib.versionAtLeast ocaml_version "4.00";
 
 stdenv.mkDerivation {