diff --git a/pkgs/development/ocaml-modules/javalib/default.nix b/pkgs/development/ocaml-modules/javalib/default.nix
index 843cf44a153..6bd98905afa 100644
--- a/pkgs/development/ocaml-modules/javalib/default.nix
+++ b/pkgs/development/ocaml-modules/javalib/default.nix
@@ -10,11 +10,11 @@ let
 in
 stdenv.mkDerivation rec {
   name = "ocaml${ocaml.version}-${pname}-${version}";
-  version = "2.3.3";
+  version = "2.3.4";
 
   src = fetchurl {
-    url = https://gforge.inria.fr/frs/download.php/file/36307/javalib-2.3.3.tar.bz2;
-    sha256 = "0427n3vfb2h51gy2p4878gdwlp0mb03asn3g9kp9v4wfxmksjj11";
+    url = "https://gforge.inria.fr/frs/download.php/file/37153/javalib-2.3.4.tar.bz2";
+    sha256 = "081ga3qzx0lkz0wy92qyj6k75k3s79518bvqii2q778hh5wif36f";
   };
 
   buildInputs = [ which ocaml findlib camlp4 ];