diff --git a/pkgs/applications/misc/mediainfo-gui/default.nix b/pkgs/applications/misc/mediainfo-gui/default.nix
index 55de14257878..dee0f92822a2 100644
--- a/pkgs/applications/misc/mediainfo-gui/default.nix
+++ b/pkgs/applications/misc/mediainfo-gui/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, automake, autoconf, libtool, pkgconfig, libzen, libmediainfo, wxGTK, desktop_file_utils, libSM, imagemagick }:
 
 stdenv.mkDerivation rec {
-  version = "0.7.77";
+  version = "0.7.78";
   name = "mediainfo-gui-${version}";
   src = fetchurl {
     url = "http://mediaarea.net/download/source/mediainfo/${version}/mediainfo_${version}.tar.xz";
-    sha256 = "0n15z1jlj5s69pwk3mdv4r5c8ncfy7qjbdw5wfwynwypkl5382pn";
+    sha256 = "0458rxla3nhw9rbb2psak8qvxwr0drfhdl82k6wvb3a38xb0qij3";
   };
 
   buildInputs = [ automake autoconf libtool pkgconfig libzen libmediainfo wxGTK desktop_file_utils libSM imagemagick ];
diff --git a/pkgs/applications/misc/mediainfo/default.nix b/pkgs/applications/misc/mediainfo/default.nix
index 5c6f3f9a148a..1bf10e07ee78 100644
--- a/pkgs/applications/misc/mediainfo/default.nix
+++ b/pkgs/applications/misc/mediainfo/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, automake, autoconf, libtool, pkgconfig, libzen, libmediainfo, zlib }:
 
 stdenv.mkDerivation rec {
-  version = "0.7.77";
+  version = "0.7.78";
   name = "mediainfo-${version}";
   src = fetchurl {
     url = "http://mediaarea.net/download/source/mediainfo/${version}/mediainfo_${version}.tar.xz";
-    sha256 = "0n15z1jlj5s69pwk3mdv4r5c8ncfy7qjbdw5wfwynwypkl5382pn";
+    sha256 = "0458rxla3nhw9rbb2psak8qvxwr0drfhdl82k6wvb3a38xb0qij3";
   };
 
   buildInputs = [ automake autoconf libtool pkgconfig libzen libmediainfo zlib ];
diff --git a/pkgs/development/libraries/libmediainfo/default.nix b/pkgs/development/libraries/libmediainfo/default.nix
index dd17f7a4c008..7e5887e9b9d9 100644
--- a/pkgs/development/libraries/libmediainfo/default.nix
+++ b/pkgs/development/libraries/libmediainfo/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, automake, autoconf, libtool, pkgconfig, libzen, zlib }:
 
 stdenv.mkDerivation rec {
-  version = "0.7.77";
+  version = "0.7.78";
   name = "libmediainfo-${version}";
   src = fetchurl {
     url = "http://mediaarea.net/download/source/libmediainfo/${version}/libmediainfo_${version}.tar.xz";
-    sha256 = "1znxdn1jpqkiwshq9s514ak1z9wkrh9flky4s3q8z2xl68jpralq";
+    sha256 = "0ai4al5h3qbfq5f1b24ixk5v1fpln2kw1zmdj4hxjz40rj18qzka";
   };
 
   buildInputs = [ automake autoconf libtool pkgconfig libzen zlib ];