diff --git a/specs/openapi.json b/specs/openapi.json
index 79b5e4e..7cc808d 100644
--- a/specs/openapi.json
+++ b/specs/openapi.json
@@ -31341,6 +31341,16 @@
               "string",
               "null"
             ]
+          },
+          "attachment_id": {
+            "oneOf": [
+              {
+                "type": "null"
+              },
+              {
+                "$ref": "#/components/schemas/SnowflakeType"
+              }
+            ]
           }
         },
         "required": [
diff --git a/specs/openapi_preview.json b/specs/openapi_preview.json
index 6b94104..b37c40b 100644
--- a/specs/openapi_preview.json
+++ b/specs/openapi_preview.json
@@ -31773,6 +31773,16 @@
               "string",
               "null"
             ]
+          },
+          "attachment_id": {
+            "oneOf": [
+              {
+                "type": "null"
+              },
+              {
+                "$ref": "#/components/schemas/SnowflakeType"
+              }
+            ]
           }
         },
         "required": [