diff --git a/pkgs/applications/audio/faust/faust2.nix b/pkgs/applications/audio/faust/faust2.nix
index 901df19ebf59..460c9da7ac31 100644
--- a/pkgs/applications/audio/faust/faust2.nix
+++ b/pkgs/applications/audio/faust/faust2.nix
@@ -16,13 +16,14 @@ with stdenv.lib.strings;
 
 let
 
-  version = "2.1.0";
+  version = "2.5.10";
 
   src = fetchFromGitHub {
     owner = "grame-cncm";
     repo = "faust";
     rev = "v${builtins.replaceStrings ["."] ["-"] version}";
-    sha256 = "1pmiwy287g79ipz9pppnkfrdgls3l912kpkr7dfymk9wk5y5di9m";
+    sha256 = "0sjhy7axa2dj1977iz6zmqvz9qzalcfnrx2fqx3xmk9hly847d6z";
+    fetchSubmodules = true;
   };
 
   meta = with stdenv.lib; {
diff --git a/pkgs/applications/audio/faust/faust2jack.nix b/pkgs/applications/audio/faust/faust2jack.nix
index 3867114562d5..7762ca393690 100644
--- a/pkgs/applications/audio/faust/faust2jack.nix
+++ b/pkgs/applications/audio/faust/faust2jack.nix
@@ -2,6 +2,7 @@
 , gtk2
 , jack2Full
 , opencv
+, libsndfile
 }:
 
 faust.wrapWithBuildEnv {
@@ -18,6 +19,7 @@ faust.wrapWithBuildEnv {
     gtk2
     jack2Full
     opencv
+    libsndfile
   ];
 
 }
diff --git a/pkgs/applications/audio/faust/faust2jaqt.nix b/pkgs/applications/audio/faust/faust2jaqt.nix
index c0911b315386..5a015e5ca31e 100644
--- a/pkgs/applications/audio/faust/faust2jaqt.nix
+++ b/pkgs/applications/audio/faust/faust2jaqt.nix
@@ -2,6 +2,7 @@
 , jack2Full
 , opencv
 , qt4
+, libsndfile
 }:
 
 faust.wrapWithBuildEnv {
@@ -17,6 +18,7 @@ faust.wrapWithBuildEnv {
     jack2Full
     opencv
     qt4
+    libsndfile
   ];
 
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 66297b9a0546..0123190fa08a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19621,7 +19621,7 @@ with pkgs;
   faust1 = callPackage ../applications/audio/faust/faust1.nix { };
 
   faust2 = callPackage ../applications/audio/faust/faust2.nix {
-    llvm = llvm_38;
+    llvm = llvm_4;
   };
 
   faust2alqt = callPackage ../applications/audio/faust/faust2alqt.nix { };