diff --git a/src/config/types.ts b/src/config/types.ts
index 72ec4603..0bc9d428 100644
--- a/src/config/types.ts
+++ b/src/config/types.ts
@@ -139,6 +139,8 @@ export interface CliConfig {
 }
 
 export interface RcConfig {
+  /** @see https://jamiemason.github.io/syncpack/integrations/json-schema */
+  $schema?: string;
   /** @see https://jamiemason.github.io/syncpack/config/custom-types */
   customTypes: Record<string, CustomTypeConfig.Any>;
   /** @see https://jamiemason.github.io/syncpack/config/dependency-types */