diff --git a/pkgs/development/ocaml-modules/zed/default.nix b/pkgs/development/ocaml-modules/zed/default.nix
index 66054b334076..847951783ee0 100644
--- a/pkgs/development/ocaml-modules/zed/default.nix
+++ b/pkgs/development/ocaml-modules/zed/default.nix
@@ -3,8 +3,8 @@
 let param =
   if stdenv.lib.versionAtLeast ocaml.version "4.02" then
   {
-    version = "2.0.3";
-    sha256 = "0pa9awinqr0plp4b2az78dwpvh01pwaljnn5ydg8mc6hi7rmir55";
+    version = "3.1.0";
+    sha256 = "04vr1a94imsghm98iigc35rhifsz0rh3qz2qm0wam2wvp6vmrx0p";
     buildInputs = [ dune ];
     propagatedBuildInputs = [ charInfo_width ];
     extra = {