diff --git a/pkgs/applications/networking/remote/citrix-workspace/generic.nix b/pkgs/applications/networking/remote/citrix-workspace/generic.nix
index 2f9c5f76c5e..75a8318f6c0 100644
--- a/pkgs/applications/networking/remote/citrix-workspace/generic.nix
+++ b/pkgs/applications/networking/remote/citrix-workspace/generic.nix
@@ -3,7 +3,7 @@
 , heimdal, krb5, libsoup, libvorbis, speex, openssl, zlib, xorg, pango, gtk2
 , gnome2, mesa, nss, nspr, gtk_engines, freetype, dconf, libpng12, libxml2
 , libjpeg, libredirect, tzdata, cacert, systemd, libcxxabi, libcxx, e2fsprogs, symlinkJoin
-, libpulseaudio, pcsclite, glib-networking
+, libpulseaudio, pcsclite, glib-networking, llvmPackages_12
 
 , homepage, version, prefix, hash
 
@@ -98,7 +98,8 @@ stdenv.mkDerivation rec {
     xorg.libXtst
     zlib
   ] ++ lib.optional (lib.versionOlder version "20.04") e2fsprogs
-    ++ lib.optional (lib.versionAtLeast version "20.10") libpulseaudio;
+    ++ lib.optional (lib.versionAtLeast version "20.10") libpulseaudio
+    ++ lib.optional (lib.versionAtLeast version "21.12") llvmPackages_12.libunwind;
 
   runtimeDependencies = [
     glib
diff --git a/pkgs/applications/networking/remote/citrix-workspace/sources.nix b/pkgs/applications/networking/remote/citrix-workspace/sources.nix
index 7311acf8278..12bda3f98ad 100644
--- a/pkgs/applications/networking/remote/citrix-workspace/sources.nix
+++ b/pkgs/applications/networking/remote/citrix-workspace/sources.nix
@@ -122,6 +122,17 @@ let
       x86suffix = "25";
       homepage  = "https://www.citrix.com/downloads/workspace-app/linux/workspace-app-for-linux-latest.html";
     };
+
+    "21.12.0" = {
+      major     = "21";
+      minor     = "12";
+      patch     = "0";
+      x64hash   = "de81deab648e1ebe0ddb12aa9591c8014d7fad4eba0db768f25eb156330bb34d";
+      x86hash   = "3746cdbe26727f7f6fb85fbe5f3e6df0322d79bb66e3a70158b22cb4f6b6b292";
+      x64suffix = "18";
+      x86suffix = "18";
+      homepage  = "https://www.citrix.com/downloads/workspace-app/linux/workspace-app-for-linux-latest.html";
+    };
   };
 
   # Retain attribute-names for abandoned versions of Citrix workspace to
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index acd24534f34..ffc3de69b13 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4087,7 +4087,7 @@ with pkgs;
 
   circus = callPackage ../tools/networking/circus { };
 
-  citrix_workspace = citrix_workspace_21_09_0;
+  citrix_workspace = citrix_workspace_21_12_0;
 
   inherit (callPackage ../applications/networking/remote/citrix-workspace { })
     citrix_workspace_20_04_0
@@ -4100,6 +4100,7 @@ with pkgs;
     citrix_workspace_21_06_0
     citrix_workspace_21_08_0
     citrix_workspace_21_09_0
+    citrix_workspace_21_12_0
   ;
 
   citra = libsForQt5.callPackage ../misc/emulators/citra { };