diff --git a/flake.lock b/flake.lock
index 014657e..ff4fe4a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,43 +1,12 @@
 {
   "nodes": {
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1650374568,
-        "narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "b4a34015c698c7793d592d66adbab377907a2be8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
     "flake-utils": {
       "locked": {
-        "lastModified": 1652776076,
-        "narHash": "sha256-gzTw/v1vj4dOVbpBSJX4J0DwUR6LIyXo7/SuuTJp1kM=",
+        "lastModified": 1653893745,
+        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "04c1b180862888302ddfb2e3ad9eaa63afc60cf8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_2": {
-      "locked": {
-        "lastModified": 1637014545,
-        "narHash": "sha256-26IZAc5yzlD9FlDT54io1oqG/bBoyka+FJk5guaX4x4=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "bba5dcc8e0b20ab664967ad83d24d64cb64ec4f4",
+        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
         "type": "github"
       },
       "original": {
@@ -64,27 +33,27 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1653087707,
-        "narHash": "sha256-zfno3snrzZTWQ2B7K53QHrGZwrjnJLTRPalymrSsziU=",
+        "lastModified": 1655278232,
+        "narHash": "sha256-H6s7tnHYiDKFCcLADS4sl1sUq0dDJuRQXCieguk/6SA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "cbd40c72b2603ab54e7208f99f9b35fc158bc009",
+        "rev": "8b538fcb329a7bc3d153962f17c509ee49166973",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-21.11",
+        "ref": "nixos-22.05",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1653060744,
-        "narHash": "sha256-kfRusllRumpt33J1hPV+CeCCylCXEU7e0gn2/cIM7cY=",
+        "lastModified": 1655306633,
+        "narHash": "sha256-nv4FfWWV/dEelByjXJtJkoDPOHIsKfLq50RN3Hqq5Yk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "dfd82985c273aac6eced03625f454b334daae2e8",
+        "rev": "b1957596ff1c7aa8c55c4512b7ad1c9672502e8e",
         "type": "github"
       },
       "original": {
@@ -94,25 +63,8 @@
         "type": "github"
       }
     },
-    "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1637453606,
-        "narHash": "sha256-Gy6cwUswft9xqsjWxFYEnx/63/qzaFUwatcbV5GF/GQ=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "8afc4e543663ca0a6a4f496262cd05233737e732",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
-        "flake-compat": "flake-compat",
         "flake-utils": "flake-utils",
         "gitignoresrc": "gitignoresrc",
         "nixpkgs": "nixpkgs",
@@ -122,15 +74,19 @@
     },
     "rust-overlay": {
       "inputs": {
-        "flake-utils": "flake-utils_2",
-        "nixpkgs": "nixpkgs_2"
+        "flake-utils": [
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
       },
       "locked": {
-        "lastModified": 1653360353,
-        "narHash": "sha256-WA1eevoRzs3LfTA+XWNj29thaoh4wN8HJSRs48Q2ICU=",
+        "lastModified": 1655434021,
+        "narHash": "sha256-lfioRPXTsDXk0OIApyvCtiVQDdqUs19iCi+aWkijcm0=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "c5486f823e4af2c0dfb5b2673002d5c973ef5209",
+        "rev": "9eea93067eff400846c36f57b7499df9ef428ba0",
         "type": "github"
       },
       "original": {