diff --git a/flake.lock b/flake.lock
index 6e2f7f4..e80fd0f 100644
--- a/flake.lock
+++ b/flake.lock
@@ -186,11 +186,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1729951556,
-        "narHash": "sha256-bpb6r3GjzhNW8l+mWtRtLNg5PhJIae041sPyqcFNGb4=",
+        "lastModified": 1729980323,
+        "narHash": "sha256-eWPRZAlhf446bKSmzw6x7RWEE4IuZgAp8NW3eXZwRAY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "4e0eec54db79d4d0909f45a88037210ff8eaffee",
+        "rev": "86e78d3d2084ff87688da662cf78c2af085d8e73",
         "type": "github"
       },
       "original": {
diff --git a/justfile b/justfile
index 1dda630..dbd5532 100644
--- a/justfile
+++ b/justfile
@@ -21,13 +21,13 @@ _run cmd:
 _build:
     nom build {{ root_dir }}#darwinConfigurations.{{ hostname }}.system
 
-# build latest home-manager generation
+# build nix-darwin system
 build: (_run "_build")
 
 _switch: _build
     ./result/sw/bin/darwin-rebuild -v switch --flake "{{ root_dir }}"
 
-# switch to latest home-manager generation
+# build nix-darwin system and switch to it
 switch: (_run "_switch") && _report-changes
 
 _update: && _switch _brew-update _report-changes
@@ -49,7 +49,7 @@ _report-changes:
 # update packages and switch
 update: (_run "_update")
 
-# clean up nix garbage
+# clean up garbage
 clean days="7":
     home-manager expire-generations "-{{days}} days"
     nix profile wipe-history --older-than "{{days}}d"
diff --git a/nix.nix b/nix.nix
index 69b6101..e7863ca 100644
--- a/nix.nix
+++ b/nix.nix
@@ -24,7 +24,7 @@ in
 {
   services.nix-daemon.enable = true;
   nix = {
-    package = pkgs.nixFlakes;
+    package = pkgs.nixVersions.stable;
     extraOptions = ''
       keep-outputs = true
       keep-derivations = true