diff --git a/pkgs/applications/virtualization/looking-glass-client/default.nix b/pkgs/applications/virtualization/looking-glass-client/default.nix
index 67baa3ab91bd..bd45e4ebff4e 100644
--- a/pkgs/applications/virtualization/looking-glass-client/default.nix
+++ b/pkgs/applications/virtualization/looking-glass-client/default.nix
@@ -22,6 +22,7 @@
 , libXinerama
 , libXcursor
 , libXpresent
+, libXdmcp
 
 , wayland
 , wayland-protocols
@@ -30,6 +31,7 @@
 , pulseaudio
 , libsamplerate
 
+, openGLSupport ? false
 , xorgSupport ? true
 , waylandSupport ? true
 , pipewireSupport ? true
@@ -43,35 +45,35 @@ let
     type = "Application";
     exec = "looking-glass-client";
     icon = "lg-logo";
-    terminal = true;
   };
 in
 stdenv.mkDerivation rec {
   pname = "looking-glass-client";
-  version = "B6";
+  version = "B7-rc1";
 
   src = fetchFromGitHub {
     owner = "gnif";
     repo = "LookingGlass";
     rev = version;
-    sha256 = "sha256-6vYbNmNJBCoU23nVculac24tHqH7F4AZVftIjL93WJU=";
+    sha256 = "sha256-ne1Q+67+P8RHcTsqdiSSwkFf0g3pSNT91WN/lsSzssU=";
     fetchSubmodules = true;
   };
 
   nativeBuildInputs = [ cmake pkg-config ];
 
-  buildInputs = [ libGL libX11 freefont_ttf spice-protocol expat libbfd nettle fontconfig libffi ]
-    ++ lib.optionals xorgSupport [ libxkbcommon libXi libXScrnSaver libXinerama libXcursor libXpresent libXext libXrandr ]
+  buildInputs = [ libGL freefont_ttf spice-protocol expat libbfd nettle fontconfig libffi ]
+    ++ lib.optionals xorgSupport [ libX11 libxkbcommon libXi libXScrnSaver libXinerama libXcursor libXpresent libXext libXrandr libXdmcp ]
     ++ lib.optionals waylandSupport [ libxkbcommon wayland wayland-protocols ]
     ++ lib.optionals pipewireSupport [ pipewire libsamplerate ]
     ++ lib.optionals pulseSupport [ pulseaudio libsamplerate ];
 
   cmakeFlags = [ "-DOPTIMIZE_FOR_NATIVE=OFF" ]
-    ++ lib.optional (!xorgSupport) "-DENABLE_X11=no"
-    ++ lib.optional (!waylandSupport) "-DENABLE_WAYLAND=no"
-    ++ lib.optional (!pulseSupport) "-DENABLE_PULSEAUDIO=no"
-    ++ lib.optional (!pipewireSupport) "-DENABLE_PIPEWIRE=no";
-
+    ++ lib.optionals (!openGLSupport) [ "-DENABLE_OPENGL=no" ]
+    ++ lib.optionals (!xorgSupport) [ "-DENABLE_X11=no" ]
+    ++ lib.optionals (!waylandSupport) [ "-DENABLE_WAYLAND=no" ]
+    ++ lib.optionals (waylandSupport) [ "-DENABLE_WAYLAND=yes" ]
+    ++ lib.optionals (!pulseSupport) [ "-DENABLE_PULSEAUDIO=no" ]
+    ++ lib.optionals (!pipewireSupport) [ "-DENABLE_PIPEWIRE=no" ];
 
   postUnpack = ''
     echo ${src.rev} > source/VERSION