diff --git a/src/configs/tools_schema.json b/src/configs/tools_schema.json
index a85d3086..9070ae8f 100644
--- a/src/configs/tools_schema.json
+++ b/src/configs/tools_schema.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$id": "https://raw.githubusercontent.com/shivammathur/setup-php/develop/src/configs/tools_schema.json",
   "type": "object",
   "title": "Tools",
@@ -14,123 +14,118 @@
         "function": "function_name",
         "repository": "user/tool",
         "packagist": "user/tool",
-        "scope": "global, scoped",
-        "type": "phar, composer, custom-package or custom-function",
+        "scope": "scoped",
+        "type": "composer",
         "version_parameter": "--version",
         "version_prefix": "v"
       }
     }
   ],
-  "items": {
-    "properties": {
-      "alias": {
-        "$id": "#/items/properties/alias",
-        "type": "string",
-        "title": "The alias schema",
-        "description": "Alias for a tool.",
-        "examples": [
-          "tool_alias"
-        ]
+  "additionalProperties": {
+    "$ref": "#/$defs/tool"
+  },
+  "$defs": {
+    "tool": {
+      "type": "object",
+      "properties": {
+        "alias": {
+          "type": "string",
+          "title": "The alias schema",
+          "description": "Alias for a tool.",
+          "examples": [
+            "tool_alias"
+          ]
+        },
+        "domain": {
+          "type": "string",
+          "title": "The domain schema",
+          "description": "Domain URL of the tool.",
+          "examples": [
+            "https://example.com"
+          ]
+        },
+        "extension": {
+          "type": "string",
+          "title": "The extension schema",
+          "description": "File extension of the tool.",
+          "examples": [
+            ".ext"
+          ]
+        },
+        "fetch_latest": {
+          "type": "string",
+          "title": "The fetch_latest schema",
+          "description": "Fetch the latest version from GitHub releases.",
+          "enum": [
+            "true",
+            "false"
+          ]
+        },
+        "function": {
+          "type": "string",
+          "title": "The function schema",
+          "description": "Function name in tools.ts which returns the script to setup the tool.",
+          "examples": [
+            "function_name"
+          ]
+        },
+        "repository": {
+          "type": "string",
+          "title": "The repository schema",
+          "description": "GitHub repository of the tool.",
+          "examples": [
+            "user/tool"
+          ]
+        },
+        "packagist": {
+          "type": "string",
+          "title": "The repository schema",
+          "description": "Packagist repository of the tool in case different from repository.",
+          "examples": [
+            "user/tool"
+          ]
+        },
+        "scope": {
+          "type": "string",
+          "title": "The scope schema",
+          "description": "Scope of tool installation: global or scoped",
+          "enum": [
+            "global",
+            "scoped"
+          ]
+        },
+        "type": {
+          "type": "string",
+          "title": "The type schema",
+          "description": "Type of tool: phar, composer, custom-package or custom-function.",
+          "enum": [
+            "phar",
+            "composer",
+            "custom-package",
+            "custom-function"
+          ]
+        },
+        "version_parameter": {
+          "type": "string",
+          "title": "The version_parameter schema",
+          "description": "Parameter to get the tool version.",
+          "examples": [
+            "--version"
+          ]
+        },
+        "version_prefix": {
+          "type": "string",
+          "title": "The version_prefix schema",
+          "description": "Prefix of the version in the download URL.",
+          "examples": [
+            "v"
+          ]
+        }
       },
-      "domain": {
-        "$id": "#/items/properties/domain",
-        "type": "string",
-        "title": "The domain schema",
-        "description": "Domain URL of the tool.",
-        "examples": [
-          "https://example.com"
-        ]
-      },
-      "extension": {
-        "$id": "#/items/properties/extension",
-        "type": "string",
-        "title": "The extension schema",
-        "description": "File extension of the tool.",
-        "examples": [
-          ".ext"
-        ]
-      },
-      "fetch_latest": {
-        "$id": "#/items/properties/fetch_latest",
-        "type": "string",
-        "title": "The fetch_latest schema",
-        "description": "Fetch the latest version from GitHub releases.",
-        "enum": [
-          "true",
-          "false"
-        ]
-      },
-      "function": {
-        "$id": "#/items/properties/function",
-        "type": "string",
-        "title": "The function schema",
-        "description": "Function name in tools.ts which returns the script to setup the tool.",
-        "examples": [
-          "function_name"
-        ]
-      },
-      "repository": {
-        "$id": "#/items/properties/repository",
-        "type": "string",
-        "title": "The repository schema",
-        "description": "GitHub repository of the tool.",
-        "examples": [
-          "user/tool"
-        ]
-      },
-      "packagist": {
-        "$id": "#/items/properties/packagist",
-        "type": "string",
-        "title": "The repository schema",
-        "description": "Packagist repository of the tool in case different from repository.",
-        "examples": [
-          "user/tool"
-        ]
-      },
-      "scope": {
-        "$id": "#/items/properties/scope",
-        "type": "string",
-        "title": "The scope schema",
-        "description": "Scope of tool installation: global or scoped",
-        "enum": [
-          "global",
-          "scoped"
-        ]
-      },
-      "type": {
-        "$id": "#/items/properties/type",
-        "type": "string",
-        "title": "The type schema",
-        "description": "Type of tool: phar, composer, custom-package or custom-function.",
-        "enum": [
-          "phar",
-          "composer",
-          "custom-package",
-          "custom-function"
-        ]
-      },
-      "version_parameter": {
-        "$id": "#/items/properties/version_parameter",
-        "type": "string",
-        "title": "The version_parameter schema",
-        "description": "Parameter to get the tool version.",
-        "examples": [
-          "--version"
-        ]
-      },
-      "version_prefix": {
-        "$id": "#/items/properties/version_prefix",
-        "type": "string",
-        "title": "The version_prefix schema",
-        "description": "Prefix of the version in the download URL.",
-        "examples": [
-          "v"
-        ]
-      }
-    },
-    "required": [
-      "type"
-    ],
-    "additionalProperties": true
+      "required": [
+        "type"
+      ],
+      "additionalProperties": true
+    }
   }
-}
\ No newline at end of file
+}