diff --git a/flake.lock b/flake.lock
index 486e297..7a849cf 100644
--- a/flake.lock
+++ b/flake.lock
@@ -435,11 +435,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1676569297,
-        "narHash": "sha256-2n4C4H3/U+3YbDrQB6xIw7AaLdFISCCFwOkcETAigqU=",
+        "lastModified": 1676973346,
+        "narHash": "sha256-rft8oGMocTAhUVqG3LW6I8K/Fo9ICGmNjRqaWTJwav0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ac1f5b72a9e95873d1de0233fddcb56f99884b37",
+        "rev": "d0d55259081f0b97c828f38559cad899d351cad1",
         "type": "github"
       },
       "original": {
diff --git a/overlays/default.nix b/overlays/default.nix
index faa298c..995079d 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -17,7 +17,9 @@
   sway = (import ./sway.nix);
 
   unstable = (final: prev: {
-    unstable = inputs.nixpkgs-unstable.legacyPackages.${prev.system};
+    unstable = import inputs.nixpkgs-unstable {
+      inherit (prev) system config;
+    };
   });
 
   sixel-patches = (import ./sixel-patches.nix (inputs));
@@ -61,7 +63,7 @@
       patches = old.patches
         ++ [ ../patches/sway/fix-hide_cursor-clearing-focus.patch ];
     });
-    steam = prev.steam.override {
+    steam = prev.unstable.steam.override {
       extraPkgs = pkgs: with pkgs; [ capitaine-cursors bibata-cursors ];
     };