diff --git a/pkgs/development/ocaml-modules/lablgtk3/default.nix b/pkgs/development/ocaml-modules/lablgtk3/default.nix
index bd820e8042a7..a6aa522f7c84 100644
--- a/pkgs/development/ocaml-modules/lablgtk3/default.nix
+++ b/pkgs/development/ocaml-modules/lablgtk3/default.nix
@@ -1,19 +1,17 @@
-{ lib, fetchFromGitHub, pkg-config, buildDunePackage, dune-configurator
+{ lib, fetchurl, pkg-config, buildDunePackage, dune-configurator
 , gtk3, cairo2
 , camlp-streams
 }:
 
 buildDunePackage rec {
-  version = "3.1.3";
+  version = "3.1.4";
   pname = "lablgtk3";
 
   minimalOCamlVersion = "4.05";
 
-  src = fetchFromGitHub {
-    owner = "garrigue";
-    repo = "lablgtk";
-    rev = version;
-    sha256 = "sha256-1kXJP+tKudP3qfosTgZAQueNK46H9aLevEj6wxPKDWY=";
+  src = fetchurl {
+    url = "https://github.com/garrigue/lablgtk/releases/download/${version}/lablgtk3-${version}.tbz";
+    hash = "sha256-bxEVMzfnaH5yHVxAmifNYOy8GnSivLLgSE/9+1yxBI4=";
   };
 
   nativeBuildInputs = [ pkg-config ];
diff --git a/pkgs/development/ocaml-modules/lablgtk3/rsvg2.nix b/pkgs/development/ocaml-modules/lablgtk3/rsvg2.nix
new file mode 100644
index 000000000000..463f50f18e62
--- /dev/null
+++ b/pkgs/development/ocaml-modules/lablgtk3/rsvg2.nix
@@ -0,0 +1,20 @@
+{ buildDunePackage
+, dune-configurator
+, lablgtk3
+, librsvg
+, pkg-config
+}:
+
+buildDunePackage rec {
+  pname = "lablgtk3-rsvg2";
+
+  inherit (lablgtk3) version src;
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ dune-configurator ];
+  propagatedBuildInputs = [ lablgtk3 librsvg ];
+
+  meta = lablgtk3.meta // {
+    description = "OCaml interface to Gnome rsvg2 library";
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index ea09cd090fb2..8f5004d66c96 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -910,6 +910,8 @@ let
 
     lablgtk3-gtkspell3 = callPackage ../development/ocaml-modules/lablgtk3/gtkspell3.nix { };
 
+    lablgtk3-rsvg2 = callPackage ../development/ocaml-modules/lablgtk3/rsvg2.nix { };
+
     lablgtk3-sourceview3 = callPackage ../development/ocaml-modules/lablgtk3/sourceview3.nix { };
 
     labltk = callPackage ../development/ocaml-modules/labltk {