diff --git a/flake.lock b/flake.lock
index ea1cd3a..9e0be9d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -79,16 +79,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1762363567,
-        "narHash": "sha256-YRqMDEtSMbitIMj+JLpheSz0pwEr0Rmy5mC7myl17xs=",
+        "lastModified": 1762616480,
+        "narHash": "sha256-vLjEPWbntbVNKIDbQW7fUj6y3bkIJaSCuy6sJ2cXeNI=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ae814fd3904b621d8ab97418f1d0f2eb0d3716f4",
+        "rev": "8ea611305a7db12c49446f9c40c609614419ec4b",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-unstable",
+        "ref": "nixos-unstable-small",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 990324e..439c3d7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,7 +12,7 @@
       inputs.flake-compat.follows = "flake-compat";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable-small";
     blobs = {
       url = "gitlab:simple-nixos-mailserver/blobs";
       flake = false;