diff --git a/flake.lock b/flake.lock
index f733694..d1a8b89 100644
--- a/flake.lock
+++ b/flake.lock
@@ -41,11 +41,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1727261104,
-        "narHash": "sha256-rxDI7WrxIRV9it9mDCHcLa7xQykf1JloXnoXr5xQ8zI=",
+        "lastModified": 1728902391,
+        "narHash": "sha256-44bnoY0nAvbBQ/lVjmn511yL39Sv7SknV0BDxn34P3Q=",
         "owner": "hyprwm",
         "repo": "aquamarine",
-        "rev": "b82fdaff917582a9d568969e15e61b398c71e990",
+        "rev": "9874e08eec85b5542ca22494e127b0cdce46b786",
         "type": "github"
       },
       "original": {
@@ -113,14 +113,16 @@
           "nixpkgs"
         ],
         "nixpkgs-stable": "nixpkgs-stable",
-        "rust-overlay": "rust-overlay"
+        "rust-overlay": [
+          "oxalica"
+        ]
       },
       "locked": {
-        "lastModified": 1728351368,
-        "narHash": "sha256-Ig/OSUMhCGFs/p0riUz8wqKMMg4dj9Rj756bGZWULDY=",
+        "lastModified": 1729388162,
+        "narHash": "sha256-ARCVRKnANfAb1iwGVpNOujXTXsTdyHz80ocFxjpswv8=",
         "owner": "lilyinstarlight",
         "repo": "nixos-cosmic",
-        "rev": "b2c490e0fdd4ba63ea42bbd0f0fe928abb0af73a",
+        "rev": "1bfff37ff0178721ff4c0a7ed2fb39689b8db796",
         "type": "github"
       },
       "original": {
@@ -130,19 +132,12 @@
       }
     },
     "crane": {
-      "inputs": {
-        "nixpkgs": [
-          "lazy",
-          "lanzaboote",
-          "nixpkgs"
-        ]
-      },
       "locked": {
-        "lastModified": 1721842668,
-        "narHash": "sha256-k3oiD2z2AAwBFLa4+xfU+7G5fisRXfkvrMTCJrjZzXo=",
+        "lastModified": 1728776144,
+        "narHash": "sha256-fROVjMcKRoGHofDm8dY3uDUtCMwUICh/KjBFQnuBzfg=",
         "owner": "ipetkov",
         "repo": "crane",
-        "rev": "529c1a0b1f29f0d78fa3086b8f6a134c71ef3aaf",
+        "rev": "f876e3d905b922502f031aeec1a84490122254b7",
         "type": "github"
       },
       "original": {
@@ -180,11 +175,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1728334376,
-        "narHash": "sha256-CTKEKPzD/j8FK6H4DO3EjyixZd3HHvgAgfnCwpGFP5c=",
+        "lastModified": 1729281548,
+        "narHash": "sha256-MuojlSnwAJAwfhgmW8ZtZrwm2Sko4fqubCvReqbUzYw=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "d39ee334984fcdae6244f5a8e6ab857479cbaefe",
+        "rev": "a6a3179ddf396dfc28a078e2f169354d0c137125",
         "type": "github"
       },
       "original": {
@@ -266,11 +261,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1719994518,
-        "narHash": "sha256-pQMhCCHyQGRzdfAkdJ4cIWiw+JNuWsTX7f0ZYSyz0VY=",
+        "lastModified": 1727826117,
+        "narHash": "sha256-K5ZLCyfO/Zj9mPFldf3iwS6oZStJcU4tSpiXTMYaaL0=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "9227223f6d922fee3c7b190b2cc238a99527bbb7",
+        "rev": "3d04084d54bedc3d6b8b736c70ef449225c361b1",
         "type": "github"
       },
       "original": {
@@ -344,11 +339,11 @@
     },
     "hardware": {
       "locked": {
-        "lastModified": 1728269138,
-        "narHash": "sha256-oKxDImsOvgUZMY4NwXVyUc/c1HiU2qInX+b5BU0yXls=",
+        "lastModified": 1729417461,
+        "narHash": "sha256-p0j/sUs7noqZw0W+SEuZXskzOfgOH7yY80ksIM0fCi4=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "ecfcd787f373f43307d764762e139a7cdeb9c22b",
+        "rev": "8f38d8a4754cf673c2609c4ed399630db87e678b",
         "type": "github"
       },
       "original": {
@@ -386,11 +381,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1728337164,
-        "narHash": "sha256-VdRTjJFyq4Q9U7Z/UoC2Q5jK8vSo6E86lHc2OanXtvc=",
+        "lastModified": 1729414726,
+        "narHash": "sha256-Dtmm1OU8Ymiy9hVWn/a2B8DhRYo9Eoyx9veERdOBR4o=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "038630363e7de57c36c417fd2f5d7c14773403e4",
+        "rev": "fe56302339bb28e3471632379d733547caec8103",
         "type": "github"
       },
       "original": {
@@ -407,11 +402,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1728041527,
-        "narHash": "sha256-03liqiJtk9UP7YQHW4r8MduKCK242FQzud8iWvvlK+o=",
+        "lastModified": 1729321331,
+        "narHash": "sha256-KVyQq+ez/oB30/WbdNgVD8g/bda34z8NiU187QKQb74=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "509dbf8d45606b618e9ec3bbe4e936b7c5bc6c1e",
+        "rev": "122f70545b29ccb922e655b08acfe05bfb44ec68",
         "type": "github"
       },
       "original": {
@@ -436,11 +431,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1727532803,
-        "narHash": "sha256-ZaZ7h7PY8mQc4vtGmVqWLAq9CAO02gHMyNR5yY8zDmM=",
+        "lastModified": 1728669738,
+        "narHash": "sha256-EDNAU9AYcx8OupUzbTbWE1d3HYdeG0wO6Msg3iL1muk=",
         "owner": "hyprwm",
         "repo": "hyprcursor",
-        "rev": "b98726e431d4d3ed58bd58bee1047cdb81cec69f",
+        "rev": "0264e698149fcb857a66a53018157b41f8d97bb0",
         "type": "github"
       },
       "original": {
@@ -457,19 +452,17 @@
         "hyprlang": "hyprlang",
         "hyprutils": "hyprutils",
         "hyprwayland-scanner": "hyprwayland-scanner",
-        "nixpkgs": [
-          "nixpkgs"
-        ],
+        "nixpkgs": "nixpkgs_2",
         "pre-commit-hooks": "pre-commit-hooks",
         "systems": "systems_2",
         "xdph": "xdph"
       },
       "locked": {
-        "lastModified": 1728347028,
-        "narHash": "sha256-585URGuPrKCqx1qQoT56AWD3am0zbb9/dZ/OOq8/Lpw=",
+        "lastModified": 1729378105,
+        "narHash": "sha256-pcrrLHaHXct4I985PZhNZVYLghwZvQnnjGNToL56DFY=",
         "ref": "refs/heads/main",
-        "rev": "0d70c442538ba0d1efc63558c859c184367c95ad",
-        "revCount": 5306,
+        "rev": "08cc063e175e48cea44d26b7e3762f4b8611f0c5",
+        "revCount": 5362,
         "submodules": true,
         "type": "git",
         "url": "https://github.com/hyprwm/Hyprland"
@@ -492,11 +485,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1727451107,
-        "narHash": "sha256-qV9savtHwmZUa0eJE294WYJjKPGB2+bJhwByFShsVyo=",
+        "lastModified": 1728345020,
+        "narHash": "sha256-xGbkc7U/Roe0/Cv3iKlzijIaFBNguasI31ynL2IlEoM=",
         "owner": "hyprwm",
         "repo": "hyprland-protocols",
-        "rev": "6b3261ee13a6d2b99de79a31d352f6996e35bde3",
+        "rev": "a7c183800e74f337753de186522b9017a07a8cee",
         "type": "github"
       },
       "original": {
@@ -521,11 +514,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1725997860,
-        "narHash": "sha256-d/rZ/fHR5l1n7PeyLw0StWMNLXVU9c4HFyfskw568so=",
+        "lastModified": 1728168612,
+        "narHash": "sha256-AnB1KfiXINmuiW7BALYrKqcjCnsLZPifhb/7BsfPbns=",
         "owner": "hyprwm",
         "repo": "hyprlang",
-        "rev": "dfeb5811dd6485490cce18d6cc1e38a055eea876",
+        "rev": "f054f2e44d6a0b74607a6bc0f52dba337a3db38e",
         "type": "github"
       },
       "original": {
@@ -569,11 +562,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1727300645,
-        "narHash": "sha256-OvAtVLaSRPnbXzOwlR1fVqCXR7i+ICRX3aPMCdIiv+c=",
+        "lastModified": 1728941256,
+        "narHash": "sha256-WRypmcZ2Bw94lLmcmxYokVOHPJSZ7T06V49QZ4tkZeQ=",
         "owner": "hyprwm",
         "repo": "hyprutils",
-        "rev": "3f5293432b6dc6a99f26aca2eba3876d2660665c",
+        "rev": "fd4be8b9ca932f7384e454bcd923c5451ef2aa85",
         "type": "github"
       },
       "original": {
@@ -662,16 +655,16 @@
         "crane": "crane",
         "flake-compat": "flake-compat_3",
         "flake-parts": "flake-parts",
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs_3",
         "pre-commit-hooks-nix": "pre-commit-hooks-nix",
-        "rust-overlay": "rust-overlay_2"
+        "rust-overlay": "rust-overlay"
       },
       "locked": {
-        "lastModified": 1727792571,
-        "narHash": "sha256-KBzRQVE1j2vrSg8WfYJ+vEvFBC25+2VsFSK7VL2kc1M=",
+        "lastModified": 1729064530,
+        "narHash": "sha256-oSr/w/5dvf/8ll6NvQlL7+rrK8wzjIcEMP1LvI4Ag08=",
         "owner": "nix-community",
         "repo": "lanzaboote",
-        "rev": "e2365a1d8dccdcf4bca5111672e80df67d90957d",
+        "rev": "2fa1368f938b50e35ca87334b5aeba38a3402165",
         "type": "github"
       },
       "original": {
@@ -691,11 +684,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1728133399,
-        "narHash": "sha256-DUhjgflk3r4pVz2OzT3Nf6ynm7ZMwH6be6RYzFWUrvY=",
+        "lastModified": 1729342066,
+        "narHash": "sha256-3TNI8V6KfU3nwZNIzU4Uv/v4s+OhYCI6PScrhiLI2oU=",
         "owner": "bobvanderlinden",
         "repo": "nixos-config",
-        "rev": "30f9ba1b9a2316af0db5c316c98750d8a684123d",
+        "rev": "05eea85c10ba058cbec232778a92a8392da8d231",
         "type": "github"
       },
       "original": {
@@ -748,14 +741,14 @@
     },
     "nix-index-database": {
       "inputs": {
-        "nixpkgs": "nixpkgs_3"
+        "nixpkgs": "nixpkgs_4"
       },
       "locked": {
-        "lastModified": 1727658919,
-        "narHash": "sha256-YAePt2GldkkRJ08LvZNHcuS6shIVStj+K+1DZN3gbnM=",
+        "lastModified": 1728790083,
+        "narHash": "sha256-grMdAd4KSU6uPqsfLzA1B/3pb9GtGI9o8qb0qFzEU/Y=",
         "owner": "nix-community",
         "repo": "nix-index-database",
-        "rev": "f9fdf8285690a351e8998f1e703ebdf9cdf51dee",
+        "rev": "5c54c33aa04df5dd4b0984b7eb861d1981009b22",
         "type": "github"
       },
       "original": {
@@ -812,11 +805,11 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1728193676,
-        "narHash": "sha256-PbDWAIjKJdlVg+qQRhzdSor04bAPApDqIv2DofTyynk=",
+        "lastModified": 1729181673,
+        "narHash": "sha256-LDiPhQ3l+fBjRATNtnuDZsBS7hqoBtPkKBkhpoBHv3I=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ecbc1ca8ffd6aea8372ad16be9ebbb39889e55b6",
+        "rev": "4eb33fe664af7b41a4c446f87d20c9a0a6321fa3",
         "type": "github"
       },
       "original": {
@@ -860,27 +853,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1722264024,
-        "narHash": "sha256-gomyYQrlOltr2/prDRikRDQoPz+J5Qq6SEJrqVC5x2c=",
+        "lastModified": 1729256560,
+        "narHash": "sha256-/uilDXvCIEs3C9l73JTACm4quuHUsIHcns1c+cHUJwA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "fc5e08c73022f96cfeaefa2e087e8b713d47d201",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable-small",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_3": {
-      "locked": {
-        "lastModified": 1727348695,
-        "narHash": "sha256-J+PeFKSDV+pHL7ukkfpVzCOO7mBSrrpJ3svwBFABbhI=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "1925c603f17fc89f4c8f6bf6f631a802ad85d784",
+        "rev": "4c2fcb090b1f3e5b47eaa7bd33913b574a11e0a0",
         "type": "github"
       },
       "original": {
@@ -890,13 +867,45 @@
         "type": "github"
       }
     },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1728897630,
+        "narHash": "sha256-0utJPs4o2Mody8GDwo4hnGuxc8dJqju4u9lLJY4d/Lw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "c9f0b4a395289ce18727e2a8e43cae6796693ccc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable-small",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_4": {
       "locked": {
-        "lastModified": 1728373706,
-        "narHash": "sha256-3I9vqiLKZRqhuZgc39u0wGvfAZsn00ls7EAvTmKkrII=",
+        "lastModified": 1728492678,
+        "narHash": "sha256-9UTxR8eukdg+XZeHgxW5hQA9fIKHsKCdOIUycTryeVw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "5633bcff0c6162b9e4b5f1264264611e950c8ec7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_5": {
+      "locked": {
+        "lastModified": 1729434141,
+        "narHash": "sha256-QGBF9id6DsIJcYYshpjPiVxgPCmNo5b+kJ73ohnunbw=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "164098be8ed4eec117e1654fae97160d00bee537",
+        "rev": "d81355398d9896de00459a7f4951da87a78cce50",
         "type": "github"
       },
       "original": {
@@ -906,6 +915,40 @@
         "type": "github"
       }
     },
+    "nixpkgs_6": {
+      "locked": {
+        "lastModified": 1728538411,
+        "narHash": "sha256-f0SBJz1eZ2yOuKUr5CA9BHULGXVSn6miBuUWdTyhUhU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b69de56fac8c2b6f8fd27f2eca01dcda8e0a4221",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "oxalica": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_6"
+      },
+      "locked": {
+        "lastModified": 1729391507,
+        "narHash": "sha256-as0I9xieJUHf7kiK2a9znDsVZQTFWhM1pLivII43Gi0=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "784981a9feeba406de38c1c9a3decf966d853cca",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
     "pre-commit-hooks": {
       "inputs": {
         "flake-compat": "flake-compat_2",
@@ -917,11 +960,11 @@
         "nixpkgs-stable": "nixpkgs-stable_2"
       },
       "locked": {
-        "lastModified": 1728092656,
-        "narHash": "sha256-eMeCTJZ5xBeQ0f9Os7K8DThNVSo9gy4umZLDfF5q6OM=",
+        "lastModified": 1728778939,
+        "narHash": "sha256-WybK5E3hpGxtCYtBwpRj1E9JoiVxe+8kX83snTNaFHE=",
         "owner": "cachix",
         "repo": "git-hooks.nix",
-        "rev": "1211305a5b237771e13fcca0c51e60ad47326a9a",
+        "rev": "ff68f91754be6f3427e4986d7949e6273659be1d",
         "type": "github"
       },
       "original": {
@@ -946,11 +989,11 @@
         "nixpkgs-stable": "nixpkgs-stable_3"
       },
       "locked": {
-        "lastModified": 1721042469,
-        "narHash": "sha256-6FPUl7HVtvRHCCBQne7Ylp4p+dpP3P/OYuzjztZ4s70=",
+        "lastModified": 1728778939,
+        "narHash": "sha256-WybK5E3hpGxtCYtBwpRj1E9JoiVxe+8kX83snTNaFHE=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "f451c19376071a90d8c58ab1a953c6e9840527fd",
+        "rev": "ff68f91754be6f3427e4986d7949e6273659be1d",
         "type": "github"
       },
       "original": {
@@ -972,31 +1015,11 @@
         "lazy": "lazy",
         "mailserver": "mailserver",
         "nix-colors": "nix-colors",
-        "nixpkgs": "nixpkgs_4"
+        "nixpkgs": "nixpkgs_5",
+        "oxalica": "oxalica"
       }
     },
     "rust-overlay": {
-      "inputs": {
-        "nixpkgs": [
-          "cosmic",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1728268235,
-        "narHash": "sha256-lJMFnMO4maJuNO6PQ5fZesrTmglze3UFTTBuKGwR1Nw=",
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "rev": "25685cc2c7054efc31351c172ae77b21814f2d42",
-        "type": "github"
-      },
-      "original": {
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "type": "github"
-      }
-    },
-    "rust-overlay_2": {
       "inputs": {
         "nixpkgs": [
           "lazy",
@@ -1005,11 +1028,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1722219664,
-        "narHash": "sha256-xMOJ+HW4yj6e69PvieohUJ3dBSdgCfvI0nnCEe6/yVc=",
+        "lastModified": 1728959392,
+        "narHash": "sha256-fp4he1QQjE+vasDMspZYeXrwTm9otwEqLwEN6FKZ5v0=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "a6fbda5d9a14fb5f7c69b8489d24afeb349c7bb4",
+        "rev": "4c6e317300f05b8871f585b826b6f583e7dc4a9b",
         "type": "github"
       },
       "original": {
@@ -1106,11 +1129,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1727524473,
-        "narHash": "sha256-1DGktDtSWIJpnDbVoj/qpvJSH5zg6JbOfuh6xqZMap0=",
+        "lastModified": 1728166987,
+        "narHash": "sha256-w6dVTguAn9zJ+7aPOhBQgDz8bn6YZ7b56cY8Kg5HJRI=",
         "owner": "hyprwm",
         "repo": "xdg-desktop-portal-hyprland",
-        "rev": "7e500e679ede40e79cf2d89b5f5fa3e34923bd26",
+        "rev": "fb9c8d665af0588bb087f97d0f673ddf0d501787",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index df9245f..e807269 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,7 +21,7 @@
 
     hyprland = {
       url = "git+https://github.com/hyprwm/Hyprland?submodules=1";
-      inputs.nixpkgs.follows = "nixpkgs";
+      #inputs.nixpkgs.follows = "nixpkgs"; # broken until libseat fix
     };
 
     hyprpicker = {
diff --git a/hosts/lambdaos/configuration.nix b/hosts/lambdaos/configuration.nix
index 1333cf9..a2b2e22 100644
--- a/hosts/lambdaos/configuration.nix
+++ b/hosts/lambdaos/configuration.nix
@@ -48,7 +48,22 @@
     nvidia.acceptLicense = true;
     cudaSupport = true;
   };
-  nixpkgs.overlays = [ ];
+  nixpkgs.overlays = [
+    (self: super: {
+      ccid = super.ccid.overrideAttrs (old: rec {
+        pname = "ccid";
+        version = "1.5.5";
+        src = super.fetchurl {
+          url = "https://ccid.apdu.fr/files/${pname}-${version}.tar.bz2";
+          hash = "sha256-GUcI91/jadRd18Feiz6Kfbi0nPxVV1dMoqLnbvEsoMo=";
+        };
+        postPatch = ''
+          patchShebangs .
+          substituteInPlace src/Makefile.in --replace-fail /bin/echo echo
+        '';
+      });
+    })
+  ];
 
   networking = {
     hostName = "lambdaOS"; # Define your hostname.
@@ -227,7 +242,9 @@
       acceleration = "cuda";
     };
     desktopManager.cosmic.enable = true;
-    pcscd.enable = true; # for yubikey
+    pcscd = {
+      enable = true; # for yubikey
+    };
     pipewire = {
       enable = true;
       alsa.enable = true;