diff --git a/flake.lock b/flake.lock
index 8d97402..ab4a759 100644
--- a/flake.lock
+++ b/flake.lock
@@ -3,7 +3,9 @@
     "alias-to-sieve": {
       "inputs": {
         "flake-parts": "flake-parts",
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
         "rust-overlay": "rust-overlay"
       },
       "locked": {
@@ -72,16 +74,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1740367490,
-        "narHash": "sha256-WGaHVAjcrv+Cun7zPlI41SerRtfknGQap281+AakSAw=",
-        "owner": "nixos",
+        "lastModified": 1736320768,
+        "narHash": "sha256-nIYdTAiKIGnFNugbomgBJR+Xv5F1ZQU+HfaBqJKroC0=",
+        "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0196c0175e9191c474c26ab5548db27ef5d34b05",
+        "rev": "4bc9c909d9ac828a039f288cf872d16d38185db8",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable",
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -111,22 +113,6 @@
       }
     },
     "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1736320768,
-        "narHash": "sha256-nIYdTAiKIGnFNugbomgBJR+Xv5F1ZQU+HfaBqJKroC0=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "4bc9c909d9ac828a039f288cf872d16d38185db8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_3": {
       "locked": {
         "lastModified": 1740367490,
         "narHash": "sha256-WGaHVAjcrv+Cun7zPlI41SerRtfknGQap281+AakSAw=",
@@ -167,14 +153,14 @@
         "alias-to-sieve": "alias-to-sieve",
         "flake-parts": "flake-parts_2",
         "impermanence": "impermanence",
-        "nixpkgs": "nixpkgs_3",
+        "nixpkgs": "nixpkgs_2",
         "pre-commit-hooks": "pre-commit-hooks",
         "sops-nix": "sops-nix"
       }
     },
     "rust-overlay": {
       "inputs": {
-        "nixpkgs": "nixpkgs_2"
+        "nixpkgs": "nixpkgs"
       },
       "locked": {
         "lastModified": 1740450604,
diff --git a/flake.nix b/flake.nix
index e8ecd99..4a6baaf 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,6 +4,7 @@
   inputs = {
     alias-to-sieve = {
       url = "git+https://gitea.mathebau.de/fachschaft/alias_to_sieve";
+      inputs.nixpkgs.follows = "nixpkgs";
     };
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     sops-nix = {