diff --git a/pkgs/development/ocaml-modules/menhir/default.nix b/pkgs/development/ocaml-modules/menhir/default.nix
index c8243f326715..3841027b8961 100644
--- a/pkgs/development/ocaml-modules/menhir/default.nix
+++ b/pkgs/development/ocaml-modules/menhir/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, ocaml, findlib
-, version ? if stdenv.lib.versionAtLeast (stdenv.lib.getVersion ocaml) "4.02" then "20151110" else "20140422"
+, version ? if stdenv.lib.versionAtLeast (stdenv.lib.getVersion ocaml) "4.02" then "20151112" else "20140422"
 }@args:
 
 let
   sha256 =
   if version == "20140422" then "1ki1f2id6a14h9xpv2k8yb6px7dyw8cvwh39csyzj4qpzx7wia0d"
-  else if version == "20151110" then "12ijr1gd808f79d7k7ji9zg23xr4szayfgvm6njqamh0jnspq70r"
+  else if version == "20151112" then "0fhfs96gxnj920h5ydsg7c1qypsbrlzqfn2cqzrg9rfj1qq6wq86"
   else throw ("menhir: unknown version " ++ version);
 in