diff --git a/docs/docs/api/openapi-2.0.json b/docs/docs/api/openapi-2.0.json
index 818dfe6..3c390f2 100644
--- a/docs/docs/api/openapi-2.0.json
+++ b/docs/docs/api/openapi-2.0.json
@@ -627,6 +627,46 @@
                         "description": "No Content"
                     }
                 }
+            },
+            "patch": {
+                "security": [
+                    {
+                        "Bearer": []
+                    }
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Items"
+                ],
+                "summary": "Update Item",
+                "parameters": [
+                    {
+                        "type": "string",
+                        "description": "Item ID",
+                        "name": "id",
+                        "in": "path",
+                        "required": true
+                    },
+                    {
+                        "description": "Item Data",
+                        "name": "payload",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/repo.ItemPatch"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "schema": {
+                            "$ref": "#/definitions/repo.ItemOut"
+                        }
+                    }
+                }
             }
         },
         "/v1/items/{id}/attachments": {
@@ -2034,6 +2074,19 @@
                 }
             }
         },
+        "repo.ItemPatch": {
+            "type": "object",
+            "properties": {
+                "id": {
+                    "type": "string"
+                },
+                "quantity": {
+                    "type": "integer",
+                    "x-nullable": true,
+                    "x-omitempty": true
+                }
+            }
+        },
         "repo.ItemSummary": {
             "type": "object",
             "properties": {