diff --git a/pkgs/development/libraries/faudio/default.nix b/pkgs/development/libraries/faudio/default.nix
index a4f19678f240..4082ccfb1d0e 100644
--- a/pkgs/development/libraries/faudio/default.nix
+++ b/pkgs/development/libraries/faudio/default.nix
@@ -4,13 +4,13 @@
 
 stdenv.mkDerivation rec {
   pname = "faudio";
-  version = "21.08";
+  version = "21.09";
 
   src = fetchFromGitHub {
     owner = "FNA-XNA";
     repo = "FAudio";
     rev = version;
-    sha256 = "sha256-zgXIho1jmoOCVcjvDwiq+J1jOzsPgxvvaWN8NfszEdA=";
+    sha256 = "sha256-/hc++LEqH7vg2IK/x6sVP5864QF+3xd++HK/tIp0IRA=";
   };
 
   nativeBuildInputs = [cmake];