diff --git a/dist/esnext/Lib.d.ts b/dist/esnext/Lib.d.ts
index ef38866..039cfa4 100644
--- a/dist/esnext/Lib.d.ts
+++ b/dist/esnext/Lib.d.ts
@@ -82,7 +82,7 @@ export interface PageViewsOptions {
      * @param payload - The pageview payload.
      * @returns The edited payload or `false` to prevent sending the pageview. If `true` is returned, the payload will be sent as-is.
      */
-    callback?: (payload: IPageViewPayload) => IPageViewPayload | boolean;
+    callback?: (payload: IPageViewPayload) => Partial<IPageViewPayload> | boolean;
 }
 export declare const defaultPageActions: {
     stop(): void;
diff --git a/package.json b/package.json
index 61a5177..b918de3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "swetrix",
-  "version": "3.0.2",
+  "version": "3.0.3",
   "description": "The JavaScript analytics client for Swetrix Analytics",
   "main": "dist/swetrix.cjs.js",
   "module": "dist/swetrix.es5.js",