diff --git a/cog_safe_push/schema.py b/cog_safe_push/schema.py
index 924a14d..0bcd722 100644
--- a/cog_safe_push/schema.py
+++ b/cog_safe_push/schema.py
@@ -13,6 +13,8 @@ def lint(model: Model, train: bool):
     schema = get_openapi_schema(model)
     properties = schema["components"]["schemas"][input_name]["properties"]
     for name, spec in properties.items():
+        if spec.get("deprecated", False):
+            continue
         description = spec.get("description")
         if not description:
             errors.append(f"{name}: Missing description")
diff --git a/test/test_schema.py b/test/test_schema.py
index 73ced9d..037d645 100644
--- a/test/test_schema.py
+++ b/test/test_schema.py
@@ -1,6 +1,13 @@
+from unittest.mock import Mock
+
 import pytest
 
-from cog_safe_push.schema import IncompatibleSchemaError, check_backwards_compatible
+from cog_safe_push.schema import (
+    IncompatibleSchemaError,
+    SchemaLintError,
+    check_backwards_compatible,
+    lint,
+)
 
 
 def test_identical_schemas():
@@ -193,3 +200,59 @@ def test_multiple_incompatibilities():
     assert "Input choice is missing choices: 'C'" in error_message
     assert "Input new_required is new and is required" in error_message
     assert "Output has changed type" in error_message
+
+
+def test_lint_deprecated_input_without_description():
+    mock_model = Mock()
+    mock_model.versions.list.return_value = [
+        Mock(
+            openapi_schema={
+                "components": {
+                    "schemas": {
+                        "Input": {
+                            "properties": {
+                                "steps": {
+                                    "type": "integer",
+                                    "minimum": 1,
+                                    "maximum": 50,
+                                    "default": 25,
+                                    "deprecated": True,
+                                },
+                                "prompt": {
+                                    "type": "string",
+                                    "description": "The prompt to use",
+                                },
+                            }
+                        }
+                    }
+                }
+            }
+        )
+    ]
+    lint(mock_model, train=False)
+
+
+def test_lint_non_deprecated_input_without_description():
+    mock_model = Mock()
+    mock_model.versions.list.return_value = [
+        Mock(
+            openapi_schema={
+                "components": {
+                    "schemas": {
+                        "Input": {
+                            "properties": {
+                                "steps": {
+                                    "type": "integer",
+                                    "minimum": 1,
+                                    "maximum": 50,
+                                    "default": 25,
+                                },
+                            }
+                        }
+                    }
+                }
+            }
+        )
+    ]
+    with pytest.raises(SchemaLintError, match="steps: Missing description"):
+        lint(mock_model, train=False)