diff --git a/config/games/default.nix b/config/games/default.nix
index f48b45cd..18718ffe 100644
--- a/config/games/default.nix
+++ b/config/games/default.nix
@@ -11,6 +11,14 @@ let wine-tkg-patched = pkgs.nix-gaming.wine-tkg.override {
 };
 in
 {
+  nixpkgs.overlays = [
+    (curr: prev: {
+      factorio = prev.factorio.override
+        {
+          version = "1.1.53";
+        };
+    })
+  ];
   home.packages = [
     wine-tkg-patched
     pkgs.grapejuice
diff --git a/config/services/gitea.nix b/config/services/gitea.nix
index 919bcdb6..05d47595 100644
--- a/config/services/gitea.nix
+++ b/config/services/gitea.nix
@@ -76,6 +76,7 @@
     enable = true;
     bind = "127.0.0.1";
     databases = 3;
+    port = 6379;
   };
   sops.secrets."services/gitea.nix" = { };
 }
diff --git a/config/services/postfix.nix b/config/services/postfix.nix
index a28d99bb..5c3d0ae6 100644
--- a/config/services/postfix.nix
+++ b/config/services/postfix.nix
@@ -69,4 +69,11 @@ in
       tls_preempt_cipherlist = "no";
     };
   };
+  services.postgresql.ensureUsers = [{
+    name = "postfix";
+    ensurePermissions = {
+      "DATABASE \"postfix\"" = "CONNECT";
+    };
+  }];
+
 }
diff --git a/flake.lock b/flake.lock
index 5241a6b3..a68963fa 100644
--- a/flake.lock
+++ b/flake.lock
@@ -156,11 +156,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1642676973,
-        "narHash": "sha256-bLQ6n0pXYaIuNSyJnm30JGCfjmuTi59qAmj8S2ExDXI=",
+        "lastModified": 1642882610,
+        "narHash": "sha256-pmdgeJ9v6y+T0UfNQ/Z+Hdv5tPshFFra5JLF/byUA/Y=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "7eb5106548eaab99ebeb21c87f93092de54fe931",
+        "rev": "c47c350f6518ed39c2a16e4fadf9137b6c559ddc",
         "type": "github"
       },
       "original": {
@@ -256,11 +256,11 @@
     },
     "nixpkgs_4": {
       "locked": {
-        "lastModified": 1642731654,
-        "narHash": "sha256-GRPo/7SnNLTHmPTudFQTI+neO/z6HOKQzQGV5qoT6wE=",
+        "lastModified": 1642880071,
+        "narHash": "sha256-NZW5BczhluZVkKblxrFqJbawUPxuC2HdKQ1t/+vKA34=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5d1520f3b6757fbddbab006e13ae291a417141aa",
+        "rev": "30daa988f107bc4c910c398a77b2b89864049932",
         "type": "github"
       },
       "original": {
@@ -272,26 +272,27 @@
     },
     "nixpkgs_5": {
       "locked": {
-        "lastModified": 1642856614,
-        "narHash": "sha256-qNJkuIA4fhF6zoo0aAmRaJwHy0fwuzvjCcBrHwtGUgA=",
-        "owner": "nixos",
+        "lastModified": 1642926511,
+        "narHash": "sha256-VOGQYVSp29EFQSlkwDvOkL6hvjaXT9C7rwTvgQsJ3ac=",
+        "owner": "darkkirb",
         "repo": "nixpkgs",
-        "rev": "14e98e59b1ef615d54ec6294f65e8f32d68cb914",
+        "rev": "5cfcd0b5b28d3f62c0e6a0a59878613b9f03c4dc",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
+        "owner": "darkkirb",
+        "ref": "factorio-1.1.53",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nur": {
       "locked": {
-        "lastModified": 1642854142,
-        "narHash": "sha256-DI8WAGjAM/jAHaW2+j2tEWG3UvqQ20yO6pQdd9zgSbQ=",
+        "lastModified": 1642919252,
+        "narHash": "sha256-vys7uueK4bTJWvJZHJ0OQNJ4JECFk0dddjfOlSAnIPs=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "b23310eee4b444b3f6ea120e84b922ecf0b3baca",
+        "rev": "45aa729c03c40d2cd1f51913d563dcc80c0b21c0",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index d428ea7a..faed499c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,8 @@ rec {
   description = "Lotte's NixOS installation";
 
   # Use NixOS unstable
-  inputs.nixpkgs.url = "github:nixos/nixpkgs";
+  #inputs.nixpkgs.url = "github:nixos/nixpkgs";
+  inputs.nixpkgs.url = "github:darkkirb/nixpkgs?ref=factorio-1.1.53";
   inputs.home-manager.url = "github:nix-community/home-manager";
   inputs.home-manager.inputs.nixpkgs.follows = "nixpkgs";
   inputs.sops-nix.url = github:Mic92/sops-nix;