diff --git a/package.json b/package.json
index d04117c..2431cbb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@finsweet/ts-utils",
-  "version": "0.13.2",
+  "version": "0.13.3",
   "description": "Typescript utils for custom Webflow projects.",
   "main": "index.ts",
   "module": "index.ts",
diff --git a/webflow/getCollectionElements.ts b/webflow/getCollectionElements.ts
index f9509ea..2df5311 100644
--- a/webflow/getCollectionElements.ts
+++ b/webflow/getCollectionElements.ts
@@ -9,12 +9,12 @@
 export function getCollectionElements(
   reference: string | Element,
   target: 'items',
-  page: Document
+  page?: Document
 ): NodeListOf<HTMLDivElement>;
 export function getCollectionElements(
   reference: string | Element,
   target: 'wrapper' | 'list',
-  page: Document
+  page?: Document
 ): HTMLDivElement | null | undefined;
 export function getCollectionElements(
   reference: string | Element,