diff --git a/flake.lock b/flake.lock
index 06f2cb2..f7f3f55 100644
--- a/flake.lock
+++ b/flake.lock
@@ -495,11 +495,11 @@
     },
     "nixpkgs-master": {
       "locked": {
-        "lastModified": 1714013158,
-        "narHash": "sha256-lH0WVTZbsME7cvK6fBg/Qm7IenmsMNFcl4olCXG5ySA=",
+        "lastModified": 1714027328,
+        "narHash": "sha256-fTeLt3l1VIWj3eXCOOweC3N9PhgYoJUzmzxgaRj5QGY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "6421226aa5a59fa63aa43e8fc6d2d7ca33a26ca8",
+        "rev": "e17e9f572554e39dfe00cf9240e5625308727236",
         "type": "github"
       },
       "original": {
diff --git a/nixos/base.nix b/nixos/base.nix
index 95f2247..101b5ba 100644
--- a/nixos/base.nix
+++ b/nixos/base.nix
@@ -61,6 +61,7 @@
   };
 
   nix = {
+    package = pkgs.nixVersions.nix_2_21;
     gc.automatic = true;
     settings = {
       experimental-features = "nix-command flakes";