diff --git a/common/pc/chromium.nix b/common/pc/chromium.nix
index 3e22c65..25d2184 100644
--- a/common/pc/chromium.nix
+++ b/common/pc/chromium.nix
@@ -80,7 +80,6 @@ in {
     nixpkgs.config.packageOverrides = pkgs: {
       vaapiIntel = pkgs.vaapiIntel.override { enableHybridCodec = true; };
       chromium = pkgs.chromium.override {
-        gnomeKeyringSupport = true;
         enableWideVine = true;
         # ungoogled = true;
         # --enable-native-gpu-memory-buffers # fails on AMD APU
diff --git a/flake.lock b/flake.lock
index a5295fe..441a8f7 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1648942457,
-        "narHash": "sha256-i29Z1t3sVfCNfpp+KAfeExvpqHQSbLO1KWylTtfradU=",
+        "lastModified": 1652712410,
+        "narHash": "sha256-hMJ2TqLt0DleEnQFGUHK9sV2aAzJPU8pZeiZoqRozbE=",
         "owner": "ryantm",
         "repo": "agenix",
-        "rev": "0d5e59ed645e4c7b60174bc6f6aac6a203dc0b01",
+        "rev": "7e5e58b98c3dcbf497543ff6f22591552ebfe65b",
         "type": "github"
       },
       "original": {
@@ -100,11 +100,11 @@
     },
     "flake-utils": {
       "locked": {
-        "lastModified": 1648297722,
-        "narHash": "sha256-W+qlPsiZd8F3XkzXOzAoR+mpFqzm3ekQkJNa+PIh1BQ=",
+        "lastModified": 1653893745,
+        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "0f8662f1319ad6abf89b3380dd2722369fc51ade",
+        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
         "type": "github"
       },
       "original": {
@@ -136,42 +136,42 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1649117019,
-        "narHash": "sha256-ID7nw/8MDgqj/cbJ0wy6AtQ9wp58hSnE6+weZwuHnso=",
+        "lastModified": 1655456688,
+        "narHash": "sha256-j2trI5gv2fnHdfUQFBy957avCPxxzCqE8R+TOYHPSRE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ccb90fb9e11459aeaf83cc28d5f8910816d90dd0",
+        "rev": "d17a56d90ecbd1b8fc908d49598fb854ef188461",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-21.11",
+        "ref": "nixos-22.05",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
-    "nixpkgs-21_05": {
+    "nixpkgs-22_05": {
       "locked": {
-        "lastModified": 1625692408,
-        "narHash": "sha256-e9L3TLLDVIJpMnHtiNHJE62oOh6emRtSZ244bgYJUZs=",
+        "lastModified": 1654936503,
+        "narHash": "sha256-soKzdhI4jTHv/rSbh89RdlcJmrPgH8oMb/PLqiqIYVQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c06613c25df3fe1dd26243847a3c105cf6770627",
+        "rev": "dab6df51387c3878cdea09f43589a15729cae9f4",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-21.05",
+        "ref": "nixos-22.05",
         "type": "indirect"
       }
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1649408932,
-        "narHash": "sha256-JhTW1OtS5fACcRXLqcTTQyYO5vLkO+bceCqeRms13SY=",
+        "lastModified": 1655567057,
+        "narHash": "sha256-Cc5hQSMsTzOHmZnYm8OSJ5RNUp22bd5NADWLHorULWQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "42948b300670223ca8286aaf916bc381f66a5313",
+        "rev": "e0a42267f73ea52adc061a64650fddc59906fc99",
         "type": "github"
       },
       "original": {
@@ -242,23 +242,20 @@
         "nixpkgs": [
           "nixpkgs"
         ],
-        "nixpkgs-21_05": "nixpkgs-21_05",
-        "nixpkgs-21_11": [
-          "nixpkgs"
-        ],
+        "nixpkgs-22_05": "nixpkgs-22_05",
         "utils": "utils"
       },
       "locked": {
-        "lastModified": 1638911354,
-        "narHash": "sha256-hNhzLOp+dApEY15vwLAQZu+sjEQbJcOXCaSfAT6lpsQ=",
+        "lastModified": 1655214255,
+        "narHash": "sha256-hgFF2X9mxFieekDh2VoVAtgwuM6XeAwzvb53yakmjTg=",
         "owner": "simple-nixos-mailserver",
         "repo": "nixos-mailserver",
-        "rev": "6e3a7b2ea6f0d68b82027b988aa25d3423787303",
+        "rev": "a48082c79cff8f3b314ba4f95f4ae87ca7d4d068",
         "type": "gitlab"
       },
       "original": {
         "owner": "simple-nixos-mailserver",
-        "ref": "nixos-21.11",
+        "ref": "nixos-22.05",
         "repo": "nixos-mailserver",
         "type": "gitlab"
       }
diff --git a/flake.nix b/flake.nix
index 9199890..18bdb5e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-21.11";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.05";
     nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
 
     flake-utils.url = "github:numtide/flake-utils";
@@ -9,7 +9,7 @@
     nix-locate.inputs.nixpkgs.follows = "nixpkgs";
 
     # mail server
-    simple-nixos-mailserver.url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-21.11";
+    simple-nixos-mailserver.url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-22.05";
     simple-nixos-mailserver.inputs.nixpkgs.follows = "nixpkgs";
     simple-nixos-mailserver.inputs.nixpkgs-21_11.follows = "nixpkgs";
 
@@ -74,7 +74,7 @@
       "nat" = mkSystem "aarch64-linux" nixpkgs ./machines/nat/configuration.nix;
       "liza" = mkSystem "x86_64-linux" nixpkgs ./machines/liza/configuration.nix;
       "ponyo" = mkSystem "x86_64-linux" nixpkgs ./machines/ponyo/configuration.nix;
-      "s0" = mkSystem "aarch64-linux" nixpkgs-unstable ./machines/storage/s0/configuration.nix;
+      "s0" = mkSystem "aarch64-linux" nixpkgs ./machines/storage/s0/configuration.nix;
       "n1" = mkSystem "aarch64-linux" nixpkgs ./machines/compute/n1/configuration.nix;
       "n2" = mkSystem "aarch64-linux" nixpkgs ./machines/compute/n2/configuration.nix;
       "n3" = mkSystem "aarch64-linux" nixpkgs ./machines/compute/n3/configuration.nix;