diff --git a/src/services/grpc/api/get-user-data.ts b/src/services/grpc/api/get-user-data.ts
index f87c4be..33539a7 100644
--- a/src/services/grpc/api/get-user-data.ts
+++ b/src/services/grpc/api/get-user-data.ts
@@ -38,7 +38,7 @@ export async function getUserData(_request: Empty, context: CallContext & Authen
 				priceId: pnid.connections.stripe.price_id,
 				tierLevel: pnid.connections.stripe.tier_level,
 				tierName: pnid.connections.stripe.tier_name,
-				latestWebhookTimestamp: pnid.connections.stripe.latest_webhook_timestamp
+				latestWebhookTimestamp: BigInt(pnid.connections.stripe.latest_webhook_timestamp)
 			}
 		},
 		marketingFlag: pnid.flags.marketing
diff --git a/src/services/grpc/api/set-stripe-connection-data.ts b/src/services/grpc/api/set-stripe-connection-data.ts
index b13db56..0994848 100644
--- a/src/services/grpc/api/set-stripe-connection-data.ts
+++ b/src/services/grpc/api/set-stripe-connection-data.ts
@@ -21,7 +21,7 @@ export async function setStripeConnectionData(request: SetStripeConnectionDataRe
 	const pnid: HydratedPNIDDocument = context.pnid!;
 
 	const updateData: StripeMongoUpdateScheme = {
-		'connections.stripe.latest_webhook_timestamp': request.timestamp
+		'connections.stripe.latest_webhook_timestamp': Number(request.timestamp)
 	};
 
 	if (request.customerId && !pnid.connections.stripe.customer_id) {
diff --git a/src/services/grpc/api/update-user-data.ts b/src/services/grpc/api/update-user-data.ts
index 38777de..ae90135 100644
--- a/src/services/grpc/api/update-user-data.ts
+++ b/src/services/grpc/api/update-user-data.ts
@@ -40,7 +40,7 @@ export async function updateUserData(_request: UpdateUserDataRequest, context: C
 				priceId: pnid.connections.stripe.price_id,
 				tierLevel: pnid.connections.stripe.tier_level,
 				tierName: pnid.connections.stripe.tier_name,
-				latestWebhookTimestamp: pnid.connections.stripe.latest_webhook_timestamp
+				latestWebhookTimestamp: BigInt(pnid.connections.stripe.latest_webhook_timestamp)
 			}
 		},
 		marketingFlag: pnid.flags.marketing