diff --git a/packages/donate-button-v4/src/components/widget/types/WidgetConfig.ts b/packages/donate-button-v4/src/components/widget/types/WidgetConfig.ts
index b77689e4..a889e822 100644
--- a/packages/donate-button-v4/src/components/widget/types/WidgetConfig.ts
+++ b/packages/donate-button-v4/src/components/widget/types/WidgetConfig.ts
@@ -31,4 +31,6 @@ export interface WidgetConfig {
 	monthlyTitle?: string;
 
 	showGiftCardOption?: boolean;
+
+	utmSource?: string;
 }
diff --git a/packages/donate-button-v4/src/helpers/constructDonateUrl.ts b/packages/donate-button-v4/src/helpers/constructDonateUrl.ts
index 40c506fc..16c4cbfb 100644
--- a/packages/donate-button-v4/src/helpers/constructDonateUrl.ts
+++ b/packages/donate-button-v4/src/helpers/constructDonateUrl.ts
@@ -13,6 +13,7 @@ interface BaseUrlParams {
 	noExit?: boolean;
 	methods?: PaymentMethod[];
 	privateNote?: string;
+	utmSource?: string;
 }
 
 interface DonateUrlParams extends BaseUrlParams {
@@ -56,15 +57,16 @@ function getBaseParams({
 	methods,
 	nonprofitSlug,
 	noExit,
-	privateNote
+	privateNote,
+	utmSource
 }: Pick<
 	BaseUrlParams,
-	'nonprofitSlug' | 'methods' | 'noExit' | 'privateNote'
+	'nonprofitSlug' | 'methods' | 'noExit' | 'privateNote' | 'utmSource'
 >) {
 	return {
 		method: methods?.join(','),
 		utm_campaign: 'donate-button',
-		utm_source: nonprofitSlug,
+		utm_source: utmSource ?? nonprofitSlug,
 		utm_medium: UTM_MEDIUM,
 		no_exit: noExit ?? 1,
 		private_note: privateNote
diff --git a/packages/donate-button-v4/src/helpers/parseDonateUrl.ts b/packages/donate-button-v4/src/helpers/parseDonateUrl.ts
index e9b5c5d9..7f4083f0 100644
--- a/packages/donate-button-v4/src/helpers/parseDonateUrl.ts
+++ b/packages/donate-button-v4/src/helpers/parseDonateUrl.ts
@@ -12,7 +12,8 @@ enum DonateUrlParameters {
 	FREQUENCY = 'frequency',
 	MONTHLY_TITLE = 'monthlyTitle',
 	SUGGESTED_AMOUNTS = 'suggestedAmounts',
-	AMOUNT = 'amount'
+	AMOUNT = 'amount',
+	UTM_SOURCE = 'utm_source'
 }
 
 function methodsFromString(string?: string | null) {
@@ -73,6 +74,8 @@ export function parseDonateUrl(
 	const addAmounts = addAmountsFromString(
 		searchParameters.get(DonateUrlParameters.SUGGESTED_AMOUNTS)
 	);
+	const utmSource =
+		searchParameters.get(DonateUrlParameters.UTM_SOURCE) ?? undefined;
 	const lockMonthlyFrequency = defaultFrequency === DonationFrequency.Monthly;
 
 	if (!nonprofitSlug) {
@@ -87,6 +90,7 @@ export function parseDonateUrl(
 		lockMonthlyFrequency,
 		monthlyTitle,
 		addAmounts,
+		utmSource,
 		defaultDonationAmount
 	};
 }