diff --git a/pkgs/applications/video/mkvtoolnix/default.nix b/pkgs/applications/video/mkvtoolnix/default.nix
index 1fa77128c04..74d4196e47c 100644
--- a/pkgs/applications/video/mkvtoolnix/default.nix
+++ b/pkgs/applications/video/mkvtoolnix/default.nix
@@ -18,12 +18,12 @@
 assert withGUI -> wxGTK != null;
 
 stdenv.mkDerivation rec {
-  version = "7.6.0";
+  version = "7.7.0";
   name = "mkvtoolnix-${version}";
 
   src = fetchurl {
     url = "http://www.bunkus.org/videotools/mkvtoolnix/sources/${name}.tar.xz";
-    sha256 = "1n6waln6r9jx26al3k2nh6wi8p1q6lv2fs48nbc1lj9s2fc35pkl";
+    sha256 = "0a602d5jvq0ap4pa64p80al8nmyp37a380bi5i4sqdpvp298h78r";
   };
 
   buildInputs = [