diff --git a/pkgs/development/ocaml-modules/lablgtk3/default.nix b/pkgs/development/ocaml-modules/lablgtk3/default.nix
index b14f5b736b45..29bc928e6220 100644
--- a/pkgs/development/ocaml-modules/lablgtk3/default.nix
+++ b/pkgs/development/ocaml-modules/lablgtk3/default.nix
@@ -1,16 +1,18 @@
-{ lib, fetchurl, pkg-config, buildDunePackage, dune-configurator, gtk3, cairo2 }:
+{ lib, fetchFromGitHub, pkg-config, buildDunePackage, dune-configurator, gtk3, cairo2 }:
 
 buildDunePackage rec {
-  version = "3.1.1";
+  version = "3.1.2";
   pname = "lablgtk3";
 
   useDune2 = true;
 
-  minimumOCamlVersion = "4.05";
+  minimalOCamlVersion = "4.05";
 
-  src = fetchurl {
-    url = "https://github.com/garrigue/lablgtk/releases/download/${version}/lablgtk3-${version}.tbz";
-    sha256 = "1ygc1yh99gh44h958yffw1vxdlfpn799d4x1s36c2jfbi8f0dir2";
+  src = fetchFromGitHub {
+    owner = "garrigue";
+    repo = "lablgtk";
+    rev = version;
+    sha256 = "sha256:0b17w9qb1f02h3313cm62mrqlhwxficppzm72n7sf8mmwrylxbm7";
   };
 
   nativeBuildInputs = [ pkg-config ];