diff --git a/pkgs/development/libraries/audio/lv2/unstable.nix b/pkgs/development/libraries/audio/lv2/unstable.nix
index 595dd9e0a53..4a632d07006 100644
--- a/pkgs/development/libraries/audio/lv2/unstable.nix
+++ b/pkgs/development/libraries/audio/lv2/unstable.nix
@@ -2,12 +2,12 @@
 
 stdenv.mkDerivation rec {
   name = "lv2-unstable-${version}";
-  version = "2016-10-23";
+  version = "2017-07-08";
 
   src = fetchgit {
     url = "http://lv2plug.in/git/cgit.cgi/lv2.git";
-    rev = "b36868f3b96a436961c0c51b5b2dd71d05da9b12";
-    sha256 = "1sx39j0gary2nayzv7xgqcra7z1rcw9hrafkji05aksdwf7q0pdm";
+    rev = "39c7c726cd52b2863fcea356cafe1bcab2ba7f37";
+    sha256 = "1gp2rd99dfmpibvpixrqn115mrhybzf3if3h8bssf6siyi13f29r";
   };
 
   nativeBuildInputs = [ pkgconfig ];