diff --git a/ty.schema.json b/ty.schema.json
index 701462f4d5..ee36857508 100644
--- a/ty.schema.json
+++ b/ty.schema.json
@@ -331,6 +331,16 @@
             }
           ]
         },
+        "deprecated": {
+          "title": "detects uses of deprecated items",
+          "description": "## What it does\nChecks for uses of deprecated items\n\n## Why is this bad?\nDeprecated items should no longer be used.\n\n## Examples\n```python\n@warnings.deprecated(\"use new_func instead\")\ndef old_func(): ...\n\nold_func()\n```",
+          "default": "warn",
+          "oneOf": [
+            {
+              "$ref": "#/definitions/Level"
+            }
+          ]
+        },
         "division-by-zero": {
           "title": "detects division by zero",
           "description": "## What it does\nIt detects division by zero.\n\n## Why is this bad?\nDividing by zero raises a `ZeroDivisionError` at runtime.\n\n## Examples\n```python\n5 / 0\n```",