diff --git a/flake.lock b/flake.lock
index 034c4bc..9ba50c8 100644
--- a/flake.lock
+++ b/flake.lock
@@ -75,16 +75,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1652975354,
-        "narHash": "sha256-qP1DpEYQdSq7NZ542TSHffIT6xGm7MaSMG9faQWPcg0=",
+        "lastModified": 1655096306,
+        "narHash": "sha256-3B3zBaQVLL956deZgmucouvkZroObQ4JKHzbIfFS9/c=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "685d243d971c4f9655c981036b9c7bafdb728a0d",
+        "rev": "a119e218ad27bea32057a3463e3694a61c9e3802",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-21.11",
+        "ref": "nixos-22.05",
         "type": "indirect"
       }
     },
@@ -105,11 +105,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1652885393,
-        "narHash": "sha256-YIgvvlk4iQ1Hi7KD9o5gsojc+ApB+jiH1d5stK8uXiw=",
+        "lastModified": 1655043425,
+        "narHash": "sha256-A+oT+aQGhW5lXy8H0cqBLsYtgcnT5glmGOXWQDcGw6I=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "48037fd90426e44e4bf03e6479e88a11453b9b66",
+        "rev": "914ef51ffa88d9b386c71bdc88bffc5273c08ada",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 6fae62a..28f27a2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "flake:nixpkgs/nixos-21.11";
+    nixpkgs.url = "flake:nixpkgs/nixos-22.05";
     nixpkgs-unstable.url = "flake:nixpkgs/nixos-unstable";
     utils.url = "github:gytis-ivaskevicius/flake-utils-plus/v1.3.1";
     simple-nixos-mailserver = {