diff --git a/toml-spec/spec/spec.generated.json b/toml-spec/spec/spec.generated.json
index f772fcd6..5fcd911c 100644
--- a/toml-spec/spec/spec.generated.json
+++ b/toml-spec/spec/spec.generated.json
@@ -1,5 +1,5 @@
 {
-  "$id": "jay_toml_schema",
+  "$id": "urn:jay_toml_schema",
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$ref": "#/$defs/Config",
   "$defs": {
diff --git a/toml-spec/src/json_schema.rs b/toml-spec/src/json_schema.rs
index 67df94e9..cc05f89c 100644
--- a/toml-spec/src/json_schema.rs
+++ b/toml-spec/src/json_schema.rs
@@ -16,7 +16,7 @@ pub fn generate_json_schema(
     }
 
     let json = json!({
-        "$id": "jay_toml_schema",
+        "$id": "urn:jay_toml_schema",
         "$schema": "https://json-schema.org/draft/2020-12/schema",
         "$ref": "#/$defs/Config",
         "$defs": types,