diff --git a/pkgs/development/libraries/liblo/default.nix b/pkgs/development/libraries/liblo/default.nix
index 2ba5750b1bf3..a25666dfcf26 100644
--- a/pkgs/development/libraries/liblo/default.nix
+++ b/pkgs/development/libraries/liblo/default.nix
@@ -1,18 +1,18 @@
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "liblo-0.30";
+  name = "liblo-0.31";
 
   src = fetchurl {
-    url = "mirror://sourceforge/liblo/liblo/0.30/${name}.tar.gz";
-    sha256 = "06wdjzxjdshr6hyl4c94yvg3jixiylap8yjs8brdfpm297gck9rh";
+    url = "mirror://sourceforge/liblo/liblo/0.31/${name}.tar.gz";
+    sha256 = "0l67rkdhfa8cffa0nynql3lh2xlbn1454h6qxhjddp1029p48krb";
   };
 
   doCheck = false; # fails 1 out of 3 tests
 
   meta = {
     description = "Lightweight library to handle the sending and receiving of messages according to the Open Sound Control (OSC) protocol";
-    homepage = https://sourceforge.net/projects/liblo;
+    homepage = "https://sourceforge.net/projects/liblo";
     license = stdenv.lib.licenses.gpl2;
     maintainers = [stdenv.lib.maintainers.marcweber];
     platforms = with stdenv.lib.platforms; linux ++ darwin;