diff --git a/Cargo.lock b/Cargo.lock
index 8031891..9f054cd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -113,7 +113,7 @@ checksum = "edf3ee19dbc0a46d740f6f0926bde8c50f02bdbc7b536842da28f6ac56513a8b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.60",
+ "syn",
 ]
 
 [[package]]
@@ -182,7 +182,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.60",
+ "syn",
 ]
 
 [[package]]
@@ -239,7 +239,7 @@ dependencies = [
  "convert_case",
  "proc-macro2",
  "quote",
- "syn 2.0.60",
+ "syn",
 ]
 
 [[package]]
@@ -362,9 +362,9 @@ checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
 [[package]]
 name = "hashbrown"
-version = "0.14.1"
+version = "0.15.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7dfda62a12f55daeae5015f81b0baea145391cb4520f86c248fc615d72640d12"
+checksum = "84b26c544d002229e640969970a2e74021aadf6e2f96372b9c58eff97de08eb3"
 
 [[package]]
 name = "heck"
@@ -418,17 +418,16 @@ checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
  "hashbrown 0.12.3",
- "serde",
 ]
 
 [[package]]
 name = "indexmap"
-version = "2.0.2"
+version = "2.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8adf3ddd720272c6ea8bf59463c04e0f93d0bbf7c5439b691bca2987e0270897"
+checksum = "cea70ddb795996207ad57735b50c5982d8844f38ba9ee5f1aedcfb708a2aa11e"
 dependencies = [
  "equivalent",
- "hashbrown 0.14.1",
+ "hashbrown 0.15.3",
 ]
 
 [[package]]
@@ -571,6 +570,26 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "ref-cast"
+version = "1.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a0ae411dbe946a674d89546582cea4ba2bb8defac896622d6496f14c23ba5cf"
+dependencies = [
+ "ref-cast-impl",
+]
+
+[[package]]
+name = "ref-cast-impl"
+version = "1.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1165225c21bff1f3bbce98f5a1f889949bc902d3575308cc7b0de30b4f6d27c7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "regex"
 version = "1.6.0"
@@ -616,12 +635,12 @@ checksum = "f91339c0467de62360649f8d3e185ca8de4224ff281f66000de5eb2a77a79041"
 
 [[package]]
 name = "schemars"
-version = "0.8.12"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02c613288622e5f0c3fdc5dbd4db1c5fbe752746b1d1a56a0630b78fd00de44f"
+checksum = "4cd191f9397d57d581cddd31014772520aa448f65ef991055d7f61582c65165f"
 dependencies = [
  "dyn-clone",
- "indexmap 1.9.3",
+ "ref-cast",
  "schemars_derive",
  "serde",
  "serde_json",
@@ -629,54 +648,56 @@ dependencies = [
 
 [[package]]
 name = "schemars_derive"
-version = "0.8.12"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "109da1e6b197438deb6db99952990c7f959572794b80ff93707d55a232545e7c"
+checksum = "5016d94c77c6d32f0b8e08b781f7dc8a90c2007d4e77472cc2807bc10a8438fe"
 dependencies = [
  "proc-macro2",
  "quote",
  "serde_derive_internals",
- "syn 1.0.109",
+ "syn",
 ]
 
 [[package]]
 name = "serde"
-version = "1.0.158"
+version = "1.0.210"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "771d4d9c4163ee138805e12c710dd365e4f44be8be0503cb1bb9eb989425d9c9"
+checksum = "c8e3592472072e6e22e0a54d5904d9febf8508f65fb8552499a1abc7d1078c3a"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.158"
+version = "1.0.210"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e801c1712f48475582b7696ac71e0ca34ebb30e09338425384269d9717c62cad"
+checksum = "243902eda00fad750862fc144cea25caca5e20d615af0a81bee94ca738f1df1f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.60",
+ "syn",
 ]
 
 [[package]]
 name = "serde_derive_internals"
-version = "0.26.0"
+version = "0.29.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85bf8229e7920a9f636479437026331ce11aa132b4dde37d121944a44d6e5f3c"
+checksum = "18d26a20a969b9e3fdf2fc2d9f21eda6c40e2de84c9408bb5d3b05d499aae711"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.85"
+version = "1.0.140"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e55a28e3aaef9d5ce0506d0a14dbba8054ddc7e499ef522dd8b26859ec9d4a44"
+checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
 dependencies = [
+ "indexmap 2.9.0",
  "itoa",
+ "memchr",
  "ryu",
  "serde",
 ]
@@ -736,17 +757,6 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
-[[package]]
-name = "syn"
-version = "1.0.109"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
 [[package]]
 name = "syn"
 version = "2.0.60"
@@ -800,7 +810,7 @@ version = "0.20.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca676d9ba1a322c1b64eb8045a5ec5c0cfb0c9d08e15e9ff622589ad5221c8fe"
 dependencies = [
- "indexmap 2.0.2",
+ "indexmap 2.9.0",
  "serde",
  "serde_spanned",
  "toml_datetime",
diff --git a/Cargo.toml b/Cargo.toml
index 7b3dc9a..4928b11 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -134,7 +134,7 @@ humantime-serde = { version = "1", optional = true }
 bstr = { version = "1.4", features = ["serde"] }
 derive_more = { version = "2.0.0", features = ["is_variant"] }
 eyre = "0.6"
-schemars = { version = "0.8.12", features = ["preserve_order"], optional = true }
+schemars = { version = "0.9.0", features = ["preserve_order"], optional = true }
 clap = { version = "4.2", features = ["derive"], optional = true }
 proc-exit = { version = "2.0", optional = true }
 env_logger = { version = "0.11.1", optional = true }
diff --git a/schema.json b/schema.json
index 200ec19..56d92c0 100644
--- a/schema.json
+++ b/schema.json
@@ -1,58 +1,58 @@
 {
-  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
   "title": "TodoList",
   "type": "object",
   "properties": {
     "init": {
-      "default": true,
-      "type": "boolean"
+      "type": "boolean",
+      "default": true
     },
     "sleep": {
-      "default": null,
       "anyOf": [
         {
-          "$ref": "#/definitions/Duration"
+          "$ref": "#/$defs/Duration"
         },
         {
           "type": "null"
         }
-      ]
+      ],
+      "default": null
     },
     "author": {
-      "default": null,
       "type": [
         "string",
         "null"
-      ]
+      ],
+      "default": null
     },
     "commands": {
-      "default": [],
       "type": "array",
       "items": {
-        "$ref": "#/definitions/Command"
-      }
+        "$ref": "#/$defs/Command"
+      },
+      "default": []
     }
   },
   "additionalProperties": false,
-  "definitions": {
+  "$defs": {
     "Duration": {
       "type": "object",
-      "required": [
-        "nanos",
-        "secs"
-      ],
       "properties": {
         "secs": {
           "type": "integer",
           "format": "uint64",
-          "minimum": 0.0
+          "minimum": 0
         },
         "nanos": {
           "type": "integer",
           "format": "uint32",
-          "minimum": 0.0
+          "minimum": 0
         }
-      }
+      },
+      "required": [
+        "secs",
+        "nanos"
+      ]
     },
     "Command": {
       "oneOf": [
@@ -64,106 +64,106 @@
         },
         {
           "type": "object",
-          "required": [
-            "label"
-          ],
           "properties": {
             "label": {
               "type": "string"
             }
           },
+          "required": [
+            "label"
+          ],
           "additionalProperties": false
         },
         {
           "type": "object",
-          "required": [
-            "reset"
-          ],
           "properties": {
             "reset": {
               "type": "string"
             }
           },
+          "required": [
+            "reset"
+          ],
           "additionalProperties": false
         },
         {
           "type": "object",
-          "required": [
-            "tree"
-          ],
           "properties": {
             "tree": {
-              "$ref": "#/definitions/Tree"
+              "$ref": "#/$defs/Tree"
             }
           },
+          "required": [
+            "tree"
+          ],
           "additionalProperties": false
         },
         {
           "type": "object",
-          "required": [
-            "merge"
-          ],
           "properties": {
             "merge": {
-              "$ref": "#/definitions/Merge"
+              "$ref": "#/$defs/Merge"
             }
           },
+          "required": [
+            "merge"
+          ],
           "additionalProperties": false
         },
         {
           "type": "object",
-          "required": [
-            "branch"
-          ],
           "properties": {
             "branch": {
               "type": "string"
             }
           },
+          "required": [
+            "branch"
+          ],
           "additionalProperties": false
         },
         {
           "type": "object",
-          "required": [
-            "tag"
-          ],
           "properties": {
             "tag": {
               "type": "string"
             }
           },
+          "required": [
+            "tag"
+          ],
           "additionalProperties": false
         }
       ]
     },
     "Tree": {
       "type": "object",
-      "required": [
-        "files"
-      ],
       "properties": {
         "files": {
           "type": "object",
           "additionalProperties": {
-            "$ref": "#/definitions/FileContent"
+            "$ref": "#/$defs/FileContent"
           }
         },
         "message": {
-          "default": null,
           "type": [
             "string",
             "null"
-          ]
+          ],
+          "default": null
         },
         "author": {
-          "default": null,
           "type": [
             "string",
             "null"
-          ]
+          ],
+          "default": null
         }
       },
-      "additionalProperties": false
+      "additionalProperties": false,
+      "required": [
+        "files"
+      ]
     },
     "FileContent": {
       "anyOf": [
@@ -172,7 +172,8 @@
           "items": {
             "type": "integer",
             "format": "uint8",
-            "minimum": 0.0
+            "minimum": 0,
+            "maximum": 255
           }
         },
         {
@@ -182,9 +183,6 @@
     },
     "Merge": {
       "type": "object",
-      "required": [
-        "base"
-      ],
       "properties": {
         "base": {
           "type": "array",
@@ -193,21 +191,24 @@
           }
         },
         "message": {
-          "default": null,
           "type": [
             "string",
             "null"
-          ]
+          ],
+          "default": null
         },
         "author": {
-          "default": null,
           "type": [
             "string",
             "null"
-          ]
+          ],
+          "default": null
         }
       },
-      "additionalProperties": false
+      "additionalProperties": false,
+      "required": [
+        "base"
+      ]
     }
   }
 }
\ No newline at end of file