diff --git a/src/components/CampaignURLBuilder/index.spec.tsx b/src/components/CampaignURLBuilder/index.spec.tsx
index dc8031a72..bfd656a96 100644
--- a/src/components/CampaignURLBuilder/index.spec.tsx
+++ b/src/components/CampaignURLBuilder/index.spec.tsx
@@ -22,6 +22,10 @@ import { GAVersion } from "../../constants"
 
 // Capture original error global so it's easier to replace after a mock.
 const originalError = console.error
+
+// Increase the timeout for this test suite. The userEvent.type calls can
+// be slow, and the default 5s timeout is not always enough.
+jest.setTimeout(10000)
 describe("for the Campaign URL Builder component", () => {
   beforeEach(() => {
     process.env.BITLY_CLIENT_ID = "bitly-client-id"
diff --git a/src/components/ga4/EventBuilder/event.ts b/src/components/ga4/EventBuilder/event.ts
index 89e812e52..3add2eb84 100644
--- a/src/components/ga4/EventBuilder/event.ts
+++ b/src/components/ga4/EventBuilder/event.ts
@@ -201,6 +201,22 @@ const generate_lead = eventFor(
   [stringParam("currency", "USD"), numberParam("value", 99.99)]
 )
 
+const in_app_purchase = eventFor(
+  EventType.InAppPurchase,
+  [Category.AllApps],
+  [
+    stringParam("currency", "USD"),
+    numberParam("value", 30.03),
+    numberParam("quantity", 3),
+    stringParam("product_id", "ABC123456789"),
+    stringParam("subscription", "true"),
+    stringParam("free_trial", "false"),
+    stringParam("price_is_discounted", "false"),
+  ],
+  undefined,
+  ["app"]
+)
+
 const join_group = eventFor(
   EventType.JoinGroup,
   [Category.AllApps],
@@ -548,6 +564,8 @@ export const suggestedEventFor = (eventType: EventType): Event2 => {
       return earn_virtual_currency
     case EventType.GenerateLead:
       return generate_lead
+    case EventType.InAppPurchase:
+      return in_app_purchase
     case EventType.JoinGroup:
       return join_group
     case EventType.LevelUp:
diff --git a/src/components/ga4/EventBuilder/index.spec.tsx b/src/components/ga4/EventBuilder/index.spec.tsx
index 89b331eab..89262e0ea 100644
--- a/src/components/ga4/EventBuilder/index.spec.tsx
+++ b/src/components/ga4/EventBuilder/index.spec.tsx
@@ -23,6 +23,10 @@ import { Label } from "./types"
 import userEvent from "@testing-library/user-event"
 import { within } from "@testing-library/react"
 
+// Increase the timeout for this test suite. The userEvent.type calls can
+// be slow, and the default 5s timeout is not always enough.
+jest.setTimeout(10000)
+
 describe("Event Builder", () => {
   test("can render page without error", () => {
     const { wrapped } = withProviders(<Sut />)
diff --git a/src/components/ga4/EventBuilder/types.ts b/src/components/ga4/EventBuilder/types.ts
index 107c2d349..c360d26c3 100644
--- a/src/components/ga4/EventBuilder/types.ts
+++ b/src/components/ga4/EventBuilder/types.ts
@@ -60,6 +60,7 @@ export enum EventType {
   ViewItemList = "view_item_list",
   ViewPromotion = "view_promotion",
   ViewSearchResults = "view_search_results",
+  InAppPurchase = "in_app_purchase",
 }
 
 export interface NumberParameter {