diff --git a/pkgs/development/libraries/vapoursynth/default.nix b/pkgs/development/libraries/vapoursynth/default.nix
index 65132806d883..53d70f4d369d 100644
--- a/pkgs/development/libraries/vapoursynth/default.nix
+++ b/pkgs/development/libraries/vapoursynth/default.nix
@@ -12,13 +12,13 @@ with stdenv.lib;
 
 stdenv.mkDerivation rec {
   pname = "vapoursynth";
-  version = "R46";
+  version = "R47.2";
 
   src = fetchFromGitHub {
     owner  = "vapoursynth";
     repo   = "vapoursynth";
     rev    = version;
-    sha256 = "1xbwva12l68awplardf47ydlx904wifw468npaxa9cx9dvd5mv13";
+    sha256 = "004h0vvih7dlhkcz6l2786pf7s04qhiv0bii4gjx23cxyklglh9i";
   };
 
   nativeBuildInputs = [ pkgconfig autoreconfHook nasm makeWrapper ];