diff --git a/gleam.toml.schema.json b/gleam.toml.schema.json
index 3f8e7e4..acbe069 100644
--- a/gleam.toml.schema.json
+++ b/gleam.toml.schema.json
@@ -70,6 +70,7 @@
                                 "examples": ["./path/to/my-page.md"]
                             }
                         },
+                        "required": ["title", "path", "source"],
                         "additionalProperties": false,
                         "examples": [
                             {