diff --git a/pkgs/desktops/mate/atril/default.nix b/pkgs/desktops/mate/atril/default.nix
index b78eec411d64..c6607dad2902 100644
--- a/pkgs/desktops/mate/atril/default.nix
+++ b/pkgs/desktops/mate/atril/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "atril-${version}";
-  version = "1.19.0";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "https://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "0v829yvr738y5s2knyvimcgqv351qzb0rpw5il19qc27rbzyri1r";
+    sha256 = "1639jxcdhcn5wvb4gj9xncdj5d5c3rnyydwwsgqj66cmfmb53l1n";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/caja-dropbox/default.nix b/pkgs/desktops/mate/caja-dropbox/default.nix
index 9d127eecbee1..f84fe2fef2eb 100644
--- a/pkgs/desktops/mate/caja-dropbox/default.nix
+++ b/pkgs/desktops/mate/caja-dropbox/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "caja-dropbox-${version}";
-  version = "1.18.0";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "18wd8abjaxa68n1yjmvh9az1m8lqa2wing73xdymz0d5gmxmk25g";
+    sha256 = "0xjqcfi5n6hsfyw77blplkn30as0slkfzngxid1n6z7jz5yjq7vj";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/caja-extensions/default.nix b/pkgs/desktops/mate/caja-extensions/default.nix
index eb7632911e68..1aef8d3d184f 100644
--- a/pkgs/desktops/mate/caja-extensions/default.nix
+++ b/pkgs/desktops/mate/caja-extensions/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "caja-extensions-${version}";
-  version = "1.18.2";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "065j3dyk7zp35rfvxxsdglx30i3xrma4d4saf7mn1rn1akdfgaba";
+    sha256 = "1abi7s31mx7v8x0f747bmb3s8hrv8fv007pflv2n545yvn0m1dpj";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/caja/default.nix b/pkgs/desktops/mate/caja/default.nix
index 1e1d259dc349..a80f89feff29 100644
--- a/pkgs/desktops/mate/caja/default.nix
+++ b/pkgs/desktops/mate/caja/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "caja-${version}";
-  version = "1.18.5";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "1ild2bslvnvxvl5q2xc1sa8bz1lyr4q4ksw3bwxrj0ymc16h7p50";
+    sha256 = "05shyqqapqbz4w0gbhx0i3kj6xg7rcj80hkaq7wf5pyj91wmkxqg";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/engrampa/default.nix b/pkgs/desktops/mate/engrampa/default.nix
index bd25f2b63c71..8e46102cf5a6 100644
--- a/pkgs/desktops/mate/engrampa/default.nix
+++ b/pkgs/desktops/mate/engrampa/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "engrampa-${version}";
-  version = "1.18.3";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "1ms6kz8k86hsj9zk5w3087l749022y0j5ba2s9hz8ah6gfx0mvn5";
+    sha256 = "1pk053i14a0r5s9qkipwnp4qjg76b763203z64ymnpkslrrarnnm";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/eom/default.nix b/pkgs/desktops/mate/eom/default.nix
index 236470cea713..c3af73282e5c 100644
--- a/pkgs/desktops/mate/eom/default.nix
+++ b/pkgs/desktops/mate/eom/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "eom-${version}";
-  version = "1.18.3";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "1zr85ilv0f4x8iky002qvh00qhsq1vsfm5z1954gf31hi57z2j25";
+    sha256 = "0320ph6cyh0m4cfyvky10j9prk2hry6rpm4jzgcn7ig03dnj4y0s";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/libmatekbd/default.nix b/pkgs/desktops/mate/libmatekbd/default.nix
index ed455c9a3968..209edf1f363b 100644
--- a/pkgs/desktops/mate/libmatekbd/default.nix
+++ b/pkgs/desktops/mate/libmatekbd/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "libmatekbd-${version}";
-  version = "1.18.2";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "030bl18qbjm7l92bp1bhs7v82bp8j3mv7c1j1a4gd89iz4611pq3";
+    sha256 = "1n2zphb3g6ai54nfr0r9s06vn3bmm361xpjga88hmq947fvbpx19";
   };
 
   nativeBuildInputs = [ pkgconfig intltool ];
diff --git a/pkgs/desktops/mate/libmatemixer/default.nix b/pkgs/desktops/mate/libmatemixer/default.nix
index 5aaedaad7f08..10a690546f76 100644
--- a/pkgs/desktops/mate/libmatemixer/default.nix
+++ b/pkgs/desktops/mate/libmatemixer/default.nix
@@ -6,11 +6,11 @@
 
 stdenv.mkDerivation rec {
   name = "libmatemixer-${version}";
-  version = "1.18.0";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "09vyxnlnalws318gsafdfi5c6jwpp92pbafn1ddlqqds23ihk4mr";
+    sha256 = "0jpfaqbspn2mjv6ysgzdmzhb07gx61yiiiwmrw94qymld2igrzb5";
   };
 
   nativeBuildInputs = [ pkgconfig intltool ];
diff --git a/pkgs/desktops/mate/libmateweather/default.nix b/pkgs/desktops/mate/libmateweather/default.nix
index ebb39781ff52..7efad3a5e3ae 100644
--- a/pkgs/desktops/mate/libmateweather/default.nix
+++ b/pkgs/desktops/mate/libmateweather/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "libmateweather-${version}";
-  version = "1.18.2";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "1q3rvmm533cgiif9hbdp6a92dm727g5i2dv5d8krfa0nl36i468y";
+    sha256 = "1c8mvydb0h7z3zn0qahwlp15z5wl6nrv24q4z7ldhm340jnxsvh7";
   };
 
   nativeBuildInputs = [ pkgconfig intltool ];
diff --git a/pkgs/desktops/mate/marco/default.nix b/pkgs/desktops/mate/marco/default.nix
index d9886c1808b1..9a926b78c3d7 100644
--- a/pkgs/desktops/mate/marco/default.nix
+++ b/pkgs/desktops/mate/marco/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "marco-${version}";
-  version = "1.18.2";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "173g9mrnkcgjc6a1maln13iqdl0cqcnca8ydr8767xrn9dlkx9f5";
+    sha256 = "07asf8i15ih6ajkp5yapk720qyssi2cinxwg2z5q5j9m6mxax6lr";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-applets/default.nix b/pkgs/desktops/mate/mate-applets/default.nix
index 56075a688b5d..2948273f92f5 100644
--- a/pkgs/desktops/mate/mate-applets/default.nix
+++ b/pkgs/desktops/mate/mate-applets/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-applets-${version}";
-  version = "1.18.2";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "045cl62nnfsl14vnfydwqjssdakgdrahh5h0xiz5afmdcbq6cqgw";
+    sha256 = "1jmhswfcbawp9ax5p5h2dj8pyajadjdyxa0ac7ldvh7viv8qy52s";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-backgrounds/default.nix b/pkgs/desktops/mate/mate-backgrounds/default.nix
index eaa81a531b9d..79a322ccb0a5 100644
--- a/pkgs/desktops/mate/mate-backgrounds/default.nix
+++ b/pkgs/desktops/mate/mate-backgrounds/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-backgrounds-${version}";
-  version = "1.18.0";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "06q8ksjisijps2wn959arywsimhzd3j35mqkr048c26ck24d60zi";
+    sha256 = "0pcnjcw00y8hf2bwfrb5sbk2511cbg4fr8vgvgqswcwjp9y15cjp";
   };
 
   nativeBuildInputs = [ intltool ];
diff --git a/pkgs/desktops/mate/mate-calc/default.nix b/pkgs/desktops/mate/mate-calc/default.nix
index 7607b343cf87..efe8adae678e 100644
--- a/pkgs/desktops/mate/mate-calc/default.nix
+++ b/pkgs/desktops/mate/mate-calc/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-calc-${version}";
-  version = "1.18.1";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "1h6kr9qb1kaw8jvfm7xmqm1wqnxsw2iwha5vl38b986x4zm2b712";
+    sha256 = "03cma6b00chd4026pbnh5i0ckpl8b1l7i1ppvcmbfbx0s3vpbc73";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-common/default.nix b/pkgs/desktops/mate/mate-common/default.nix
index 7c3f936aa52e..63adb1849dac 100644
--- a/pkgs/desktops/mate/mate-common/default.nix
+++ b/pkgs/desktops/mate/mate-common/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-common-${version}";
-  version = "1.18.0";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "1005laf3z1h8qczm7pmwr40r842665cv6ykhjg7r93vldra48z6p";
+    sha256 = "0h8s2qhc6f5flslx05cd3xxg243c67vv03spjiag14p8kqqrqvb1";
   };
 
   meta = {
diff --git a/pkgs/desktops/mate/mate-control-center/default.nix b/pkgs/desktops/mate/mate-control-center/default.nix
index 7f1324fa3fb0..e9b789bdc4e9 100644
--- a/pkgs/desktops/mate/mate-control-center/default.nix
+++ b/pkgs/desktops/mate/mate-control-center/default.nix
@@ -5,11 +5,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-control-center-${version}";
-  version = "1.18.2";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "0flnn0h8f5aqyccwrlv7qxchvr3kqmlfdga6wq28d55zkpv5m7dl";
+    sha256 = "0qq3ln40w7lxa7qvbvbsgdq1c5ybzqw3bw2x4z6y6brl4c77sbh7";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-desktop/default.nix b/pkgs/desktops/mate/mate-desktop/default.nix
index 02c13817b7b0..56c0ae4632ca 100644
--- a/pkgs/desktops/mate/mate-desktop/default.nix
+++ b/pkgs/desktops/mate/mate-desktop/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-desktop-${version}";
-  version = "1.18.0";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "12iv2y4dan962fs7vkkxbjkp77pbvjnwfa43ggr0zkdsc3ydjbbg";
+    sha256 = "0y5172sbj6f4dvimf4pmz74b9cfidbpmnwwb9f6vlc6fa0kp5l1n";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-icon-theme-faenza/default.nix b/pkgs/desktops/mate/mate-icon-theme-faenza/default.nix
index 07e31d5a6d46..6e1f9778e313 100644
--- a/pkgs/desktops/mate/mate-icon-theme-faenza/default.nix
+++ b/pkgs/desktops/mate/mate-icon-theme-faenza/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-icon-theme-faenza-${version}";
-  version = "1.18.1";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "0vc3wg9l5yrxm0xmligz4lw2g3nqj1dz8fwv90xvym8pbjds2849";
+    sha256 = "000vr9cnbl2qlysf2gyg1lsjirqdzmwrnh6d3hyrsfc0r2vh4wna";
   };
 
   nativeBuildInputs = [ autoreconfHook ];
diff --git a/pkgs/desktops/mate/mate-icon-theme/default.nix b/pkgs/desktops/mate/mate-icon-theme/default.nix
index ab6be49de6b9..a42116a63af5 100644
--- a/pkgs/desktops/mate/mate-icon-theme/default.nix
+++ b/pkgs/desktops/mate/mate-icon-theme/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-icon-theme-${version}";
-  version = "1.18.2";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "0si3li3kza7s45zhasjvqn5f85zpkn0x8i4kq1dlnqvjjqzkg4ch";
+    sha256 = "0lmsmsamgg1s6qrk19qwa76ld7x1k3pwhy4vs1ixn1as4iaaddk5";
   };
 
   nativeBuildInputs = [ pkgconfig intltool iconnamingutils ];
diff --git a/pkgs/desktops/mate/mate-indicator-applet/default.nix b/pkgs/desktops/mate/mate-indicator-applet/default.nix
index 4e809c852aec..4ff636c3c734 100644
--- a/pkgs/desktops/mate/mate-indicator-applet/default.nix
+++ b/pkgs/desktops/mate/mate-indicator-applet/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-indicator-applet-${version}";
-  version = "1.18.1";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "1h77f1gbz1a8l9xyq5fk75bs58mcwx6pbk6db33v0v1mwq6cidiv";
+    sha256 = "1fc6j5dnxghpgz8xbf5p8j2jprk97q4q3ajkh6sg5l71gqlnampg";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-media/default.nix b/pkgs/desktops/mate/mate-media/default.nix
index 2e5927543e4e..f4ee94b4bd37 100644
--- a/pkgs/desktops/mate/mate-media/default.nix
+++ b/pkgs/desktops/mate/mate-media/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-media-${version}";
-  version = "1.18.2";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "07v37jvrl8m5rhlasrdziwy15gcpn561d7zn5q1yfla2d5ddy0b1";
+    sha256 = "09vbw7nc91ljnxm5sbrch0w7zzn2i6qjb1b50q402niwr5b0zicr";
   };
 
   buildInputs = [
diff --git a/pkgs/desktops/mate/mate-menus/default.nix b/pkgs/desktops/mate/mate-menus/default.nix
index 311ecb47e08e..51263f0d74e7 100644
--- a/pkgs/desktops/mate/mate-menus/default.nix
+++ b/pkgs/desktops/mate/mate-menus/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-menus-${version}";
-  version = "1.18.1";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "03fwv0fvg073dmdbrcbpwjhxpj98aqna804m9nqybhvj3cfyhaz6";
+    sha256 = "1w1k6kdabmabhpqvkizk1si6ri4rmspsbj0252ki834ml0dxpnhg";
   };
 
   nativeBuildInputs = [ pkgconfig intltool ];
diff --git a/pkgs/desktops/mate/mate-netbook/default.nix b/pkgs/desktops/mate/mate-netbook/default.nix
index 4116dd58a194..508e1d359c9a 100644
--- a/pkgs/desktops/mate/mate-netbook/default.nix
+++ b/pkgs/desktops/mate/mate-netbook/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-netbook-${version}";
-  version = "1.18.2";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "0xy5mhkg0xfgyr7gnnjrfzqhmdnhyqscrl2h496p06cflknm17vb";
+    sha256 = "1w92kny1fnlwbq4b8y50n5s1vsvvl4xrvspsp9lqfxyz3jxiwbrz";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-notification-daemon/default.nix b/pkgs/desktops/mate/mate-notification-daemon/default.nix
index b24733a32a67..53b441a293a6 100644
--- a/pkgs/desktops/mate/mate-notification-daemon/default.nix
+++ b/pkgs/desktops/mate/mate-notification-daemon/default.nix
@@ -3,11 +3,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-notification-daemon-${version}";
-  version = "1.18.1";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "102nmd6mnf1fwvw11ggdlgcblq612nd4aar3gdjzqn1fw37591i5";
+    sha256 = "0dq457npzid20yfwigdh8gfqgf5wv8p6jhbxfnzybam9xidlqc5f";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-panel/default.nix b/pkgs/desktops/mate/mate-panel/default.nix
index 7e4a62539656..b05a9a68af04 100644
--- a/pkgs/desktops/mate/mate-panel/default.nix
+++ b/pkgs/desktops/mate/mate-panel/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-panel-${version}";
-  version = "1.18.7";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "1m0fxyzbvg239dddmz3ksd8871lhkd7n3fxvdgdf4hv9rlvm1klv";
+    sha256 = "0cz1pfwvsmrjcd0wa83cid9yjcygla6rhigyr7f75d75kiknlcm7";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-polkit/default.nix b/pkgs/desktops/mate/mate-polkit/default.nix
index fc6226229b14..3db773af9fc5 100644
--- a/pkgs/desktops/mate/mate-polkit/default.nix
+++ b/pkgs/desktops/mate/mate-polkit/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-polkit-${version}";
-  version = "1.18.2";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "01mxl7wj1501d3clrwlwa54970vpkahp5968xpaxwfb2zbnqgjbd";
+    sha256 = "00c1rmi31gv1a3lk7smjp489kd3wrj0d6npagnb8p1rz0g88ha94";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-power-manager/default.nix b/pkgs/desktops/mate/mate-power-manager/default.nix
index a5dc74ddfb67..df38485fbc75 100644
--- a/pkgs/desktops/mate/mate-power-manager/default.nix
+++ b/pkgs/desktops/mate/mate-power-manager/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-power-manager-${version}";
-  version = "1.18.1";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "1sybc4j9bdnb2axmvpbbm85ixhdfa1k1yh769gns56ix0ryd9nr5";
+    sha256 = "038c2q5kqvqmkp1i93p4pp9x8p6a9i7lyn3nv522mq06qsbynbww";
   };
 
   buildInputs = [
diff --git a/pkgs/desktops/mate/mate-screensaver/default.nix b/pkgs/desktops/mate/mate-screensaver/default.nix
index 3ffc79ed884f..e1ae6b4ae1dc 100644
--- a/pkgs/desktops/mate/mate-screensaver/default.nix
+++ b/pkgs/desktops/mate/mate-screensaver/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-screensaver-${version}";
-  version = "1.18.2";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "03za7ssww095i49braaq0di5ir9g6wxh1n5hfgy6b3w9nb0j1y2p";
+    sha256 = "1698608m6kf4dn91xdwy7l809yagz02h1k594smj75wvnhr7x4k9";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-sensors-applet/default.nix b/pkgs/desktops/mate/mate-sensors-applet/default.nix
index 3129f27ef159..130db2420ef1 100644
--- a/pkgs/desktops/mate/mate-sensors-applet/default.nix
+++ b/pkgs/desktops/mate/mate-sensors-applet/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-sensors-applet-${version}";
-  version = "1.18.3";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "1nm68rhp73kgvs7wwsgs5zbvq3lzaanl5s5nnn28saiknjbz1mcx";
+    sha256 = "1yj8zr9w0a1h4bpd27w7ssg97vnrz7yr10jqhx67yyb900ccr3ik";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-session-manager/default.nix b/pkgs/desktops/mate/mate-session-manager/default.nix
index 52b391317c83..d154b80263c6 100644
--- a/pkgs/desktops/mate/mate-session-manager/default.nix
+++ b/pkgs/desktops/mate/mate-session-manager/default.nix
@@ -5,11 +5,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-session-manager-${version}";
-  version = "1.18.2";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "11ii7azl8rn9mfymcmcbpysyd12vrxp4s8l3l6yk4mwlr3gvzxj0";
+    sha256 = "0vzr6y9shw4zb3ddfrj0nn7yqggpq9sv6h33p0xxdx71ydl40p2g";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-settings-daemon/default.nix b/pkgs/desktops/mate/mate-settings-daemon/default.nix
index 50ca0362816d..dc1272115b8e 100644
--- a/pkgs/desktops/mate/mate-settings-daemon/default.nix
+++ b/pkgs/desktops/mate/mate-settings-daemon/default.nix
@@ -4,11 +4,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-settings-daemon-${version}";
-  version = "1.18.2";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "0v2kdzfmfqq0avlrxnxysmkawy83g7sanmyhivisi5vg4rzsr0a4";
+    sha256 = "0p4fr2sgkjcjsrmkdy579xmk20dl0sa6az40rzvm6fb2w6693sf5";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-system-monitor/default.nix b/pkgs/desktops/mate/mate-system-monitor/default.nix
index 543da51701ba..8c67044a4220 100644
--- a/pkgs/desktops/mate/mate-system-monitor/default.nix
+++ b/pkgs/desktops/mate/mate-system-monitor/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-system-monitor-${version}";
-  version = "1.18.1";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "1xhz7d9045xfh431rn27kh1sd1clbzkfrw1zkjgfnpad6v3aaaks";
+    sha256 = "059aryj0gz4sic719nsmckhkjl4yhqxmyplvh78clf5khh4apwn5";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-terminal/default.nix b/pkgs/desktops/mate/mate-terminal/default.nix
index 2cece1f838ec..b90211ae0611 100644
--- a/pkgs/desktops/mate/mate-terminal/default.nix
+++ b/pkgs/desktops/mate/mate-terminal/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-terminal-${version}";
-  version = "1.18.2";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "053jdcjalywcq4fvqlb145sfp5hmnd6yyk9ckzvkh6fl3gyp54gc";
+    sha256 = "03366hs7mxazn6m6y53ppkb1din4jywljg0lx8zw101qg6car0az";
   };
 
   buildInputs = [
diff --git a/pkgs/desktops/mate/mate-themes/default.nix b/pkgs/desktops/mate/mate-themes/default.nix
index 85ced154f1fb..c68b8b7d9bd8 100644
--- a/pkgs/desktops/mate/mate-themes/default.nix
+++ b/pkgs/desktops/mate/mate-themes/default.nix
@@ -3,11 +3,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-themes-${version}";
-  version = "3.22.14";
+  version = "3.22.15";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/themes/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "09fqvlnmrvc73arl7jv9ygkxi46lw7c1q8qra6w3ap7x83f9zdak";
+    sha256 = "0cmlbj6vlkavdirc5xnsgwmy0m11bj9yrbv1dkq46n1s23rvv6wg";
   };
 
   nativeBuildInputs = [ pkgconfig intltool ];
diff --git a/pkgs/desktops/mate/mate-user-guide/default.nix b/pkgs/desktops/mate/mate-user-guide/default.nix
index 19edd57bd384..55cd82eecdc7 100644
--- a/pkgs/desktops/mate/mate-user-guide/default.nix
+++ b/pkgs/desktops/mate/mate-user-guide/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-user-guide-${version}";
-  version = "1.18.0";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "0f3b46r9a3cywm7rpj08xlkfnlfr9db58xfcpix8i33qp50fxqmb";
+    sha256 = "1n1rlvymz8k7vvjmd9qkv26wz3770w1ywsa41kbisbfp9x7mr0w2";
   };
 
   nativeBuildInputs = [ itstool intltool libxml2 ];
diff --git a/pkgs/desktops/mate/mate-user-share/default.nix b/pkgs/desktops/mate/mate-user-share/default.nix
index ecc7624e87b3..f5393cad0b88 100644
--- a/pkgs/desktops/mate/mate-user-share/default.nix
+++ b/pkgs/desktops/mate/mate-user-share/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-user-share-${version}";
-  version = "1.18.0";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "0w7r7jmm12n41hcxj1pfk3f0xy69cddx7ga490x191rdpcb3ry1n";
+    sha256 = "0lv5ndjk2br4w7cw8gsgj7aa2iadxv7m4wii4c49pajmd950iff2";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mate-utils/default.nix b/pkgs/desktops/mate/mate-utils/default.nix
index d4871e814940..946dc3efd253 100644
--- a/pkgs/desktops/mate/mate-utils/default.nix
+++ b/pkgs/desktops/mate/mate-utils/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mate-utils-${version}";
-  version = "1.18.3";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "1nw8rcq3x67v73cmy44zz6r2ikz46wsx834qzkbq4i2ac96kdkfz";
+    sha256 = "10a6k8gi7cajlkbj1jbvk3s633hw58lan3rc85v8jlrkwm7wmhpl";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/mozo/default.nix b/pkgs/desktops/mate/mozo/default.nix
index 6dd9068b03dd..e98d16d774e2 100644
--- a/pkgs/desktops/mate/mozo/default.nix
+++ b/pkgs/desktops/mate/mozo/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "mozo-${version}";
-  version = "1.18.0";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "04yn9bw64q5a5kvpmkb7rb3mlp11pmnvkbphficsgb0368fj895b";
+    sha256 = "1108avdappfjadd46ld7clhh5m9f4b5khl5y33l377m8ky9dy87g";
   };
   
   pythonPath = [ mate.mate-menus pythonPackages.pygobject3 ];
diff --git a/pkgs/desktops/mate/pluma/default.nix b/pkgs/desktops/mate/pluma/default.nix
index 6be205c2a7dc..d951c9f9bbd0 100644
--- a/pkgs/desktops/mate/pluma/default.nix
+++ b/pkgs/desktops/mate/pluma/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "pluma-${version}";
-  version = "1.18.3";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "1bz2jvjfz761hcvhcbkz8sc4xf0iyixh5w0k7bx69qkwwdc0gxi0";
+    sha256 = "0w2x270n11rfa321cdlycfhcgncwxqpikjyl3lwmn4vkx8nhgq5f";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/desktops/mate/python-caja/default.nix b/pkgs/desktops/mate/python-caja/default.nix
index fe4ca5777305..566245c4441d 100644
--- a/pkgs/desktops/mate/python-caja/default.nix
+++ b/pkgs/desktops/mate/python-caja/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "python-caja-${version}";
-  version = "1.18.1";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "http://pub.mate-desktop.org/releases/${mate.getRelease version}/${name}.tar.xz";
-    sha256 = "0n43cvvv29gq31hgrsf9al184cr87c3hzskrh2593rid52kwyz44";
+    sha256 = "0bcgg3p01zik53l5ns48575yw0k88fyc044yvp9fvwy5jqqg1ykk";
   };
 
   nativeBuildInputs = [