diff --git a/pkgs/applications/networking/instant-messengers/teamspeak/client.nix b/pkgs/applications/networking/instant-messengers/teamspeak/client.nix
index 5a0a9006e0df..8735870e106d 100644
--- a/pkgs/applications/networking/instant-messengers/teamspeak/client.nix
+++ b/pkgs/applications/networking/instant-messengers/teamspeak/client.nix
@@ -1,19 +1,19 @@
 { lib, stdenv, fetchurl, makeWrapper, makeDesktopItem, zlib, glib, libpng, freetype, openssl
 , xorg, fontconfig, qtbase, qtwebengine, qtwebchannel, qtsvg, qtwebsockets, xkeyboard_config
-, alsa-lib, libpulseaudio ? null, libredirect, quazip, which, unzip, llvmPackages_10, writeShellScriptBin
+, alsa-lib, libpulseaudio ? null, libredirect, quazip, which, unzip, perl, llvmPackages
 }:
 
 let
 
-  arch = if stdenv.is64bit then "amd64" else "x86";
+  arch = "amd64";
 
-  libDir = if stdenv.is64bit then "lib64" else "lib";
+  libDir = "lib64";
 
   deps =
     [ zlib glib libpng freetype xorg.libSM xorg.libICE xorg.libXrender openssl
       xorg.libXrandr xorg.libXfixes xorg.libXcursor xorg.libXinerama
       xorg.libxcb fontconfig xorg.libXext xorg.libX11 alsa-lib qtbase qtwebengine qtwebchannel qtsvg
-      qtwebsockets libpulseaudio quazip llvmPackages_10.libcxx llvmPackages_10.libcxxabi # llvmPackages_11 and higher crash https://github.com/NixOS/nixpkgs/issues/161395
+      qtwebsockets libpulseaudio quazip llvmPackages.libcxx llvmPackages.libcxxabi
     ];
 
   desktopItem = makeDesktopItem {
@@ -25,21 +25,16 @@ let
     genericName = "TeamSpeak";
     categories = [ "Network" ];
   };
-
-  fakeLess = writeShellScriptBin "less" "cat";
-
 in
 
 stdenv.mkDerivation rec {
   pname = "teamspeak-client";
 
-  version = "3.5.6";
+  version = "3.6.0";
 
   src = fetchurl {
     url = "https://files.teamspeak-services.com/releases/client/${version}/TeamSpeak3-Client-linux_${arch}-${version}.run";
-    sha256 = if stdenv.is64bit
-                then "sha256:0hjai1bd4mq3g2dlyi0zkn8s4zlgxd38skw77mb78nc4di5gvgpg"
-                else "sha256:1y1c65nap91nv9xkvd96fagqbfl56p9n0rl6iac0i29bkysdmija";
+    hash = "sha256-ZbElnFoQmXdtCR9lb6eOz4dMzSwpfjC1DvG3VbDoSEA=";
   };
 
   # grab the plugin sdk for the desktop icon
@@ -48,11 +43,20 @@ stdenv.mkDerivation rec {
     sha256 = "1bywmdj54glzd0kffvr27r84n4dsd0pskkbmh59mllbxvj0qwy7f";
   };
 
-  nativeBuildInputs = [ makeWrapper fakeLess which unzip ];
+  nativeBuildInputs = [
+    makeWrapper
+    which
+    unzip
+    perl # Installer script needs `shasum`
+  ];
 
+  # This just runs the installer script. If it gets stuck at something like
+  # ++ exec
+  # + PAGER_PATH=
+  # it's looking for a dependency and didn't find it. Check the script and make sure the dep is in nativeBuildInputs.
   unpackPhase =
     ''
-      echo -e '\ny' | sh -xe $src
+      echo -e '\ny' | PAGER=cat sh -xe $src
       cd TeamSpeak*
     '';
 
@@ -110,8 +114,8 @@ stdenv.mkDerivation rec {
       url = "https://www.teamspeak.com/en/privacy-and-terms/";
       free = false;
     };
-    maintainers = with maintainers; [ lhvwb lukegb ];
-    platforms = [ "i686-linux" "x86_64-linux" ];
+    maintainers = with maintainers; [ lhvwb lukegb atemu ];
+    platforms = [ "x86_64-linux" ];
   };
 }