diff --git a/pkgs/applications/misc/mediainfo-gui/default.nix b/pkgs/applications/misc/mediainfo-gui/default.nix
index 2fe806649c24..e60d1619685a 100644
--- a/pkgs/applications/misc/mediainfo-gui/default.nix
+++ b/pkgs/applications/misc/mediainfo-gui/default.nix
@@ -2,11 +2,11 @@
 , desktop_file_utils, libSM, imagemagick }:
 
 stdenv.mkDerivation rec {
-  version = "0.7.87";
+  version = "0.7.91";
   name = "mediainfo-gui-${version}";
   src = fetchurl {
     url = "http://mediaarea.net/download/source/mediainfo/${version}/mediainfo_${version}.tar.xz";
-    sha256 = "1ws4hyfcw289hax0bq8y3bbw5y321xmh0va1x4zv5rjwfzcd51pv";
+    sha256 = "15jrph9hjza4c87m739s7c9v27gji94ha7rpchb8li0rcdvy40dm";
   };
 
   nativeBuildInputs = [ autoreconfHook pkgconfig ];
diff --git a/pkgs/applications/misc/mediainfo/default.nix b/pkgs/applications/misc/mediainfo/default.nix
index 77c1badbf401..0ddee228e9d0 100644
--- a/pkgs/applications/misc/mediainfo/default.nix
+++ b/pkgs/applications/misc/mediainfo/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, autoreconfHook, pkgconfig, libzen, libmediainfo, zlib }:
 
 stdenv.mkDerivation rec {
-  version = "0.7.87";
+  version = "0.7.91";
   name = "mediainfo-${version}";
   src = fetchurl {
     url = "http://mediaarea.net/download/source/mediainfo/${version}/mediainfo_${version}.tar.xz";
-    sha256 = "1ws4hyfcw289hax0bq8y3bbw5y321xmh0va1x4zv5rjwfzcd51pv";
+    sha256 = "15jrph9hjza4c87m739s7c9v27gji94ha7rpchb8li0rcdvy40dm";
   };
 
   nativeBuildInputs = [ autoreconfHook pkgconfig ];
diff --git a/pkgs/development/libraries/libmediainfo/default.nix b/pkgs/development/libraries/libmediainfo/default.nix
index 90869a4c8a5a..f57a49ab8123 100644
--- a/pkgs/development/libraries/libmediainfo/default.nix
+++ b/pkgs/development/libraries/libmediainfo/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, autoreconfHook, pkgconfig, libzen, zlib }:
 
 stdenv.mkDerivation rec {
-  version = "0.7.87";
+  version = "0.7.91";
   name = "libmediainfo-${version}";
   src = fetchurl {
     url = "http://mediaarea.net/download/source/libmediainfo/${version}/libmediainfo_${version}.tar.xz";
-    sha256 = "1gvjvc809mrhpcqr62cihhc6jnwml197xjbgydnzvsghih8dq8s9";
+    sha256 = "1h39cwd85rgidr0hbwab9dwbjv25xhvjv8y2nv35p3fwrs48p098";
   };
 
   nativeBuildInputs = [ autoreconfHook pkgconfig ];
diff --git a/pkgs/development/libraries/libzen/default.nix b/pkgs/development/libraries/libzen/default.nix
index 23597c2e03b1..5bb3f79f790e 100644
--- a/pkgs/development/libraries/libzen/default.nix
+++ b/pkgs/development/libraries/libzen/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, autoreconfHook }:
 
 stdenv.mkDerivation rec {
-  version = "0.4.33";
+  version = "0.4.34";
   name = "libzen-${version}";
   src = fetchurl {
     url = "https://mediaarea.net/download/source/libzen/${version}/libzen_${version}.tar.bz2";
-    sha256 = "0py5iagajz6m5zh26svkjyy85k1dmyhi6cdbmc3cb56a4ix1k2d2";
+    sha256 = "02krmhl6dplidz6h251ajpzzdhzzm0hp0lwwv9rgn55xjgh4yxw3";
   };
 
   nativeBuildInputs = [ autoreconfHook ];