diff --git a/pkgs/development/ocaml-modules/elpi/default.nix b/pkgs/development/ocaml-modules/elpi/default.nix
index 5c93c111040..38ba8f478bd 100644
--- a/pkgs/development/ocaml-modules/elpi/default.nix
+++ b/pkgs/development/ocaml-modules/elpi/default.nix
@@ -1,10 +1,11 @@
 { stdenv, lib, fetchzip, buildDunePackage, camlp5
 , ppxlib, ppx_deriving, re, perl, ncurses
-, version ? "1.13.0"
+, version ? "1.13.1"
 }:
 with lib;
 let fetched = import ../../../build-support/coq/meta-fetch/default.nix
   {inherit lib stdenv fetchzip; } ({
+    release."1.13.1".sha256 = "12a9nbdvg9gybpw63lx3nw5wnxfznpraprb0wj3l68v1w43xq044";
     release."1.13.0".sha256 = "0dmzy058m1mkndv90byjaik6lzzfk3aaac7v84mpmkv6my23bygr";
     release."1.12.0".sha256 = "1agisdnaq9wrw3r73xz14yrq3wx742i6j8i5icjagqk0ypmly2is";
     release."1.11.4".sha256 = "1m0jk9swcs3jcrw5yyw5343v8mgax238cjb03s8gc4wipw1fn9f5";