diff --git a/pkgs/development/ocaml-modules/odoc-parser/default.nix b/pkgs/development/ocaml-modules/odoc-parser/default.nix
index 653db5ae50a..5224f241798 100644
--- a/pkgs/development/ocaml-modules/odoc-parser/default.nix
+++ b/pkgs/development/ocaml-modules/odoc-parser/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchurl, buildDunePackage, astring, result, camlp-streams, version ? "1.0.0" }:
+{ lib, fetchurl, buildDunePackage, astring, result, camlp-streams, version ? "2.0.0" }:
 
 let param = {
   "2.0.0" = {