diff --git a/pkgs/tools/graphics/pngquant/default.nix b/pkgs/tools/graphics/pngquant/default.nix
index 992e66965f8..b53a07bcfad 100644
--- a/pkgs/tools/graphics/pngquant/default.nix
+++ b/pkgs/tools/graphics/pngquant/default.nix
@@ -2,12 +2,12 @@
 
 stdenv.mkDerivation rec {
   name = "pngquant-${version}";
-  version = "2.9.1";
+  version = "2.11.7";
 
   src = fetchgit {
     url = "https://www.github.com/pornel/pngquant.git";
     rev = "refs/tags/${version}";
-    sha256 = "0xhnrjsk55jy5q68f81y7l61c6x18i4fzkm3i4dgndrhri5g4n1q";
+    sha256 = "1qr5qr2wznzp0v9xwyz4r3982rcm9kys913w8gwmv7qd1akvx2qh";
     fetchSubmodules = true;
   };