diff --git a/flake.lock b/flake.lock
index a43990b..2724154 100644
--- a/flake.lock
+++ b/flake.lock
@@ -786,17 +786,17 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1734978744,
-        "narHash": "sha256-R80xsDCKZOPJv5T+fB5G1ZVgS/51tJgUenGmGFjZat4=",
+        "lastModified": 1736883708,
+        "narHash": "sha256-uQ+NQ0/xYU0N1CnXsa2zghgNaOPxWpMJXSUJJ9W7140=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "b74a56e2acce8fe88a575287a20ac196d8d01938",
+        "rev": "eb62e6aa39ea67e0b8018ba8ea077efe65807dc8",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
-        "rev": "b74a56e2acce8fe88a575287a20ac196d8d01938",
         "type": "github"
       }
     },
diff --git a/flake.nix b/flake.nix
index f0199bb..ad2bb7d 100755
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "System configuration flake.";
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/b74a56e2acce8fe88a575287a20ac196d8d01938";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     # stablepkgs.url = "github:nixos/nixpkgs/nixos-24.05";
     # bleedingpkgs.url = "github:nixos/nixpkgs/master";
     # nixpkgs-unstable-small.url = "github:nixos/nixpkgs/nixos-unstable-small";
diff --git a/reference/hosts/callisto/configuration.nix b/reference/hosts/callisto/configuration.nix
index bc125a3..35058f9 100755
--- a/reference/hosts/callisto/configuration.nix
+++ b/reference/hosts/callisto/configuration.nix
@@ -44,6 +44,11 @@
   nixpkgs.overlays = [
     inputs.apple-silicon.overlays.apple-silicon-overlay
     inputs.vesktop-bin.overlays.default
+    (final: prev: {
+      hyprland = prev.hyprland.override {
+        libgbm = prev.mesa;
+      };
+    })
   ];
 
   services.udev.extraRules = ''