diff --git a/pkgs/development/ocaml-modules/cmdliner/default.nix b/pkgs/development/ocaml-modules/cmdliner/default.nix
index 0a1a30a34730..271ec1f2af91 100644
--- a/pkgs/development/ocaml-modules/cmdliner/default.nix
+++ b/pkgs/development/ocaml-modules/cmdliner/default.nix
@@ -8,8 +8,8 @@ assert stdenv.lib.versionAtLeast ocaml.version "4.01.0";
 
 let param =
   if stdenv.lib.versionAtLeast ocaml.version "4.03" then {
-    version = "1.0.3";
-    sha256 = "0g3w4hvc1cx9x2yp5aqn6m2rl8lf9x1dn754hfq8m1sc1102lxna";
+    version = "1.0.4";
+    sha256 = "1h04q0zkasd0mw64ggh4y58lgzkhg6yhzy60lab8k8zq9ba96ajw";
   } else {
     version = "1.0.2";
     sha256 = "18jqphjiifljlh9jg8zpl6310p3iwyaqphdkmf89acyaix0s4kj1";