diff --git a/flake.lock b/flake.lock
index c80a827..118482e 100755
--- a/flake.lock
+++ b/flake.lock
@@ -29,11 +29,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1714614481,
-        "narHash": "sha256-vykQwGwiu178RHmmRRTzId3qpc9YQtY29Jie7E2GFMg=",
+        "lastModified": 1722909529,
+        "narHash": "sha256-GNSbAD9a4zzd7Ir9qgeY9wbeqywh4vvqQz6iFw2/4HU=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "cccda8508481ea8c8ff4e50a297900ed54b26dc3",
+        "rev": "c051c42e3325ac62e9bf83e72e3868db1e5f2e64",
         "type": "github"
       },
       "original": {
@@ -219,11 +219,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1722462338,
-        "narHash": "sha256-ss0G8t8RJVDewA3MyqgAlV951cWRK6EtVhVKEZ7J5LU=",
+        "lastModified": 1722936497,
+        "narHash": "sha256-UBst8PkhY0kqTgdKiR8MtTBt4c1XmjJoOV11efjsC/o=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "6e090576c4824b16e8759ebca3958c5b09659ee8",
+        "rev": "a6c743980e23f4cef6c2a377f9ffab506568413a",
         "type": "github"
       },
       "original": {
@@ -234,11 +234,11 @@
     },
     "master": {
       "locked": {
-        "lastModified": 1722623640,
-        "narHash": "sha256-F4hS1GKEHSpDw94MzX5msjd/T0UId42/fuz3W4xBY/A=",
+        "lastModified": 1722943531,
+        "narHash": "sha256-ux/I+ZwVu5b2/nAkNyqY4OfJj8xsoVEBCDCv+P9UpB0=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "6d75cee17e9536d8dabca1c65948474aa42600c4",
+        "rev": "4549654dc1cf9f1f76ebbad5a69da2382c0c99a8",
         "type": "github"
       },
       "original": {
@@ -270,14 +270,15 @@
         "nixpkgs": [
           "nixpkgs"
         ],
-        "nixpkgs-stable": "nixpkgs-stable_2"
+        "nixpkgs-stable": "nixpkgs-stable_2",
+        "rust-overlay": "rust-overlay"
       },
       "locked": {
-        "lastModified": 1722574804,
-        "narHash": "sha256-+spPoNKEYVtiGwC2OS3MwDmz87RLZ/yOKFgF/g4C3CI=",
+        "lastModified": 1722913682,
+        "narHash": "sha256-7KX4YDBpWJFtoWGA/rSRGoc7PfOyshrmyxlhSM2ApAw=",
         "owner": "lilyinstarlight",
         "repo": "nixos-cosmic",
-        "rev": "072706c6a3aa9a6538007854781a7f22fbf217bc",
+        "rev": "b32bb5899e83d45a8f518cc6b8c8fb28ed104f8b",
         "type": "github"
       },
       "original": {
@@ -288,11 +289,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1714253743,
-        "narHash": "sha256-mdTQw2XlariysyScCv2tTE45QSU9v/ezLcHJ22f0Nxc=",
+        "lastModified": 1722630782,
+        "narHash": "sha256-hMyG9/WlUi0Ho9VkRrrez7SeNlDzLxalm9FwY7n/Noo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "58a1abdbae3217ca6b702f03d3b35125d88a2994",
+        "rev": "d04953086551086b44b6f3c6b7eeb26294f207da",
         "type": "github"
       },
       "original": {
@@ -312,11 +313,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1710146057,
-        "narHash": "sha256-GLZNcoQT3AWGg1ZINKOgHcD1/LgDStI6hZbfsisjOgM=",
+        "lastModified": 1721822211,
+        "narHash": "sha256-zacOgNv3qM3AbSG3p5PT/Bfc4c7NoIqoLII8/jIUsOQ=",
         "owner": "nix-community",
         "repo": "nixpkgs-fmt",
-        "rev": "f048515c9a98d7e2e4b034ec77641acc8a58098d",
+        "rev": "bdb15b4c7e0cb49ae091dd43113d0a938afae02c",
         "type": "github"
       },
       "original": {
@@ -327,45 +328,39 @@
     },
     "nixpkgs-lib": {
       "locked": {
-        "dir": "lib",
-        "lastModified": 1714253743,
-        "narHash": "sha256-mdTQw2XlariysyScCv2tTE45QSU9v/ezLcHJ22f0Nxc=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "58a1abdbae3217ca6b702f03d3b35125d88a2994",
-        "type": "github"
+        "lastModified": 1722555339,
+        "narHash": "sha256-uFf2QeW7eAHlYXuDktm9c25OxOyCoUOQmh5SZ9amE5Q=",
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/a5d394176e64ab29c852d03346c1fc9b0b7d33eb.tar.gz"
       },
       "original": {
-        "dir": "lib",
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/a5d394176e64ab29c852d03346c1fc9b0b7d33eb.tar.gz"
       }
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1714531828,
-        "narHash": "sha256-ILsf3bdY/hNNI/Hu5bSt2/KbmHaAVhBbNUOdGztTHEg=",
+        "lastModified": 1722791413,
+        "narHash": "sha256-rCTrlCWvHzMCNcKxPE3Z/mMK2gDZ+BvvpEVyRM4tKmU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0638fe2715d998fa81d173aad264eb671ce2ebc1",
+        "rev": "8b5b6723aca5a51edf075936439d9cd3947b7b2c",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-23.11",
+        "ref": "nixos-24.05",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nixpkgs-stable_2": {
       "locked": {
-        "lastModified": 1722372011,
-        "narHash": "sha256-B2xRiC3NEJy/82ugtareBkRqEkPGpMyjaLxaR8LBxNs=",
+        "lastModified": 1722791413,
+        "narHash": "sha256-rCTrlCWvHzMCNcKxPE3Z/mMK2gDZ+BvvpEVyRM4tKmU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "cf05eeada35e122770c5c14add958790fcfcbef5",
+        "rev": "8b5b6723aca5a51edf075936439d9cd3947b7b2c",
         "type": "github"
       },
       "original": {
@@ -409,11 +404,11 @@
     },
     "nur": {
       "locked": {
-        "lastModified": 1722617047,
-        "narHash": "sha256-pR27oxlnzGffQH5+djQFmY8JcgRNSOa+J1BajtipABU=",
+        "lastModified": 1722941135,
+        "narHash": "sha256-GNL8ajczLqTDdhaXT1ms9FYaQnDWdWuhuJfBNV6Z1pg=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "c84d6fd7b6d560e6bf1f52cc70ae2861a8633a83",
+        "rev": "addaf31cf82a1c17f71918f7f4b668d34ccbfee0",
         "type": "github"
       },
       "original": {
@@ -427,11 +422,11 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1714606777,
-        "narHash": "sha256-bMkNmAXLj8iyTvxaaD/StcLSadbj1chPcJOjtuVnLmA=",
+        "lastModified": 1722555600,
+        "narHash": "sha256-XOQkdLafnb/p9ij77byFQjDf5m5QYl9b2REiVClC+x4=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "4d34ce6412bc450b1d4208c953dc97c7fc764f1a",
+        "rev": "8471fe90ad337a8074e957b69ca4d0089218391d",
         "type": "github"
       },
       "original": {
@@ -450,11 +445,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1722535539,
-        "narHash": "sha256-MHQ6xEWnm5NacAziHpHIvS/32iCQKrAOXw5ng5F9j9U=",
+        "lastModified": 1722804745,
+        "narHash": "sha256-l6N3QaiDqN2QmHDAxjczQPLPCTv+Kp7PsrtJBltmhTo=",
         "owner": "pjones",
         "repo": "plasma-manager",
-        "rev": "8def0842f289af5d323d14219f1edccd388b195a",
+        "rev": "61d9342fb471cd3c45a047406428fba7b6fb49ad",
         "type": "github"
       },
       "original": {
@@ -499,6 +494,27 @@
         "type": "github"
       }
     },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "nixos-cosmic",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1722824458,
+        "narHash": "sha256-2k3/geD5Yh8JT1nrGaRycje5kB0DkvQA/OUZoel1bIU=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "a8a937c304e62a5098c6276c9cdf65c19a43b1a5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
     "stable": {
       "locked": {
         "lastModified": 1704290814,
@@ -577,11 +593,11 @@
     },
     "unstable": {
       "locked": {
-        "lastModified": 1722421184,
-        "narHash": "sha256-/DJBI6trCeVnasdjUo9pbnodCLZcFqnVZiLUfqLH4jA=",
+        "lastModified": 1722813957,
+        "narHash": "sha256-IAoYyYnED7P8zrBFMnmp7ydaJfwTnwcnqxUElC1I26Y=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "9f918d616c5321ad374ae6cb5ea89c9e04bf3e58",
+        "rev": "cb9a96f23c491c081b38eab96d22fa958043c9fa",
         "type": "github"
       },
       "original": {
@@ -616,11 +632,11 @@
         "nixpkgs": "nixpkgs_3"
       },
       "locked": {
-        "lastModified": 1722562293,
-        "narHash": "sha256-JLhM5xSbx5Isjyfz8+WhCfJ9hgEJ4VYRivTOANYZVWM=",
+        "lastModified": 1722907736,
+        "narHash": "sha256-drU5kbx9EtTqg7rXc6ni0LZuZQy7l/wVgsQ8PSYl5Qw=",
         "owner": "nix-community",
         "repo": "nix-vscode-extensions",
-        "rev": "2056dac5adce82433b1dae711868b1c22e5ed07e",
+        "rev": "b3c49142939ba6072cb8bdd6109e36d1b70a055a",
         "type": "github"
       },
       "original": {
diff --git a/hosts/shared/configuration.nix b/hosts/shared/configuration.nix
index e8d48dc..c403d31 100755
--- a/hosts/shared/configuration.nix
+++ b/hosts/shared/configuration.nix
@@ -2,8 +2,16 @@
 
   nix.settings = {
     experimental-features = [ "nix-command" "flakes" ];
-    substituters = [ "https://cosmic.cachix.org/" ];
-    trusted-public-keys = [ "cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE=" ];
+    substituters = [
+      "https://cache.nixos.org?priority=10"
+      "https://fortuneteller2k.cachix.org"
+      "https://cosmic.cachix.org/"
+    ];
+    trusted-public-keys = [
+      "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+      "fortuneteller2k.cachix.org-1:kXXNkMV5yheEQwT0I4XYh1MaCSz+qg72k8XAi2PthJI="
+      "cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE="
+    ];
   };
 
   boot = {