diff --git a/packages/looking-glass-client/package.nix b/packages/looking-glass-client/package.nix
index 2b4c619..67b3b31 100644
--- a/packages/looking-glass-client/package.nix
+++ b/packages/looking-glass-client/package.nix
@@ -24,6 +24,8 @@
   libxcursor,
   libxpresent,
   libxdmcp,
+  libunwind,
+  elfutils,
 
   wayland,
   wayland-protocols,
@@ -44,8 +46,8 @@ stdenv.mkDerivation (finalAttrs: {
   version = "B7-355-d3d1d48e";
 
   src = fetchurl {
-    url = "https://looking-glass.io/artifact/B7-356-6a0526fc/source";
-    sha256 = "sha256-x/YS4BVVGz6ztrd4ItaVUj0zS6vH/HKdh1Oxeoz3Ikk=";
+    url = "https://looking-glass.io/artifact/B7-424-fab9961c/source";
+    sha256 = "sha256-9mO2vNRzHE18CKBFxsdnNt0tYmBTPC+KjqP9CCDnCr4=";
     name = "looking-glass-bleeding.tar.gz";
   };
 
@@ -70,6 +72,8 @@ stdenv.mkDerivation (finalAttrs: {
     fontconfig
     libffi
     nanosvg
+    libunwind
+    elfutils
   ]
   ++ lib.optionals xorgSupport [
     libxkbcommon