diff --git a/lib/core-common/src/types.ts b/lib/core-common/src/types.ts
index aa21e92f3ff2..79e600d5c641 100644
--- a/lib/core-common/src/types.ts
+++ b/lib/core-common/src/types.ts
@@ -261,6 +261,11 @@ export type Preset =
  */
 export type Entry = string;
 
+type StorybookRefs = Record<string, {
+  title: string;
+  url: string;
+}>;
+
 /**
  * The interface for Storybook configuration in `main.ts` files.
  */
@@ -329,6 +334,11 @@ export interface StorybookConfig {
    */
   typescript?: Partial<TypescriptOptions>;
 
+  /**
+   * References external Storybooks
+   */
+  refs?: StorybookRefs | ((config: Configuration, options: Options) => StorybookRefs)
+
   /**
    * Modify or return a custom Webpack config.
    */