diff --git a/pkgs/applications/audio/csound/default.nix b/pkgs/applications/audio/csound/default.nix
index ab3267eae7f..ebcdb8f4290 100644
--- a/pkgs/applications/audio/csound/default.nix
+++ b/pkgs/applications/audio/csound/default.nix
@@ -14,7 +14,7 @@
 
 stdenv.mkDerivation rec {
   pname = "csound";
-  version = "6.16.2";
+  version = "6.17.0";
 
   hardeningDisable = [ "format" ];
 
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     owner = "csound";
     repo = "csound";
     rev = version;
-    sha256 = "sha256-1rcS3kOspU9ACx45yB8betph4G0hso1OSJQRiabX6tE=";
+    sha256 = "sha256-O19jm3JxHg4TcQzWQZu1uFjfYN2FR41fCRq5YGnTGD0=";
   };
 
   cmakeFlags = [ "-DBUILD_CSOUND_AC=0" ] # fails to find Score.hpp
@@ -37,8 +37,8 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "Sound design, audio synthesis, and signal processing system, providing facilities for music composition and performance on all major operating systems and platforms";
-    homepage = "http://www.csounds.com/";
-    license = licenses.gpl2;
+    homepage = "https://csound.com/";
+    license = licenses.lgpl21Plus;
     maintainers = [maintainers.marcweber];
     platforms = platforms.linux;
   };