diff --git a/flake.lock b/flake.lock
index 9f734df7c..b024b5017 100644
--- a/flake.lock
+++ b/flake.lock
@@ -57,18 +57,14 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1739512841,
-        "narHash": "sha256-Zc+K4AxAwFaWKK18nSl/3TKidGf46En7bfK8SL+Revg=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "fada727ee7c0bd487e311dede0a2b0725a0f7765",
-        "type": "github"
+        "lastModified": 315532800,
+        "narHash": "sha256-l6Og4eVZ7VaFjz42gFrm+fdiwofF0e+Cx3e0aDn3ZI0=",
+        "type": "tarball",
+        "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.05pre755883.dad564433178/nixexprs.tar.xz"
       },
       "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
+        "type": "tarball",
+        "url": "https://nixos.org/channels/nixpkgs-unstable/nixexprs.tar.xz"
       }
     },
     "root": {
diff --git a/flake.nix b/flake.nix
index fd1fb6f1d..6d1f945cb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "clan.lol base operating system";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    nixpkgs.url = "https://nixos.org/channels/nixpkgs-unstable/nixexprs.tar.xz";
 
     flake-parts.url = "github:hercules-ci/flake-parts";
     flake-parts.inputs.nixpkgs-lib.follows = "nixpkgs";