diff --git a/pkgs/servers/x11/xorg/default.nix b/pkgs/servers/x11/xorg/default.nix
index 142c6c49343d..dbf5fef77576 100644
--- a/pkgs/servers/x11/xorg/default.nix
+++ b/pkgs/servers/x11/xorg/default.nix
@@ -1578,11 +1578,11 @@ self: with self; {
   # THIS IS A GENERATED FILE.  DO NOT EDIT!
   libXt = callPackage ({ stdenv, pkg-config, fetchurl, libICE, xorgproto, libSM, libX11, testers }: stdenv.mkDerivation (finalAttrs: {
     pname = "libXt";
-    version = "1.3.0";
+    version = "1.3.1";
     builder = ./builder.sh;
     src = fetchurl {
-      url = "mirror://xorg/individual/lib/libXt-1.3.0.tar.xz";
-      sha256 = "14dz66rp66ar2a5q0fbsnlcqkbd34801pzdxj3f0hzc2vcy0p0jj";
+      url = "mirror://xorg/individual/lib/libXt-1.3.1.tar.xz";
+      sha256 = "120jjd6l7fjdxy5myrc1dmc0cwpqa18a97hrbg0d9x146frp99z0";
     };
     hardeningDisable = [ "bindnow" "relro" ];
     strictDeps = true;
diff --git a/pkgs/servers/x11/xorg/tarballs.list b/pkgs/servers/x11/xorg/tarballs.list
index 4a4eb478cbee..dde0a9c92dbc 100644
--- a/pkgs/servers/x11/xorg/tarballs.list
+++ b/pkgs/servers/x11/xorg/tarballs.list
@@ -200,7 +200,7 @@ mirror://xorg/individual/lib/libXres-1.2.2.tar.xz
 mirror://xorg/individual/lib/libXScrnSaver-1.2.4.tar.xz
 mirror://xorg/individual/lib/libxshmfence-1.3.2.tar.xz
 mirror://xorg/individual/lib/libXTrap-1.0.1.tar.bz2
-mirror://xorg/individual/lib/libXt-1.3.0.tar.xz
+mirror://xorg/individual/lib/libXt-1.3.1.tar.xz
 mirror://xorg/individual/lib/libXtst-1.2.5.tar.xz
 mirror://xorg/individual/lib/libXv-1.0.12.tar.xz
 mirror://xorg/individual/lib/libXvMC-1.0.14.tar.xz