diff --git a/server/src/__tests__/invite-expiry.test.ts b/server/src/__tests__/invite-expiry.test.ts
index c84a2a95572..66a7e7d2808 100644
--- a/server/src/__tests__/invite-expiry.test.ts
+++ b/server/src/__tests__/invite-expiry.test.ts
@@ -2,9 +2,9 @@ import { describe, expect, it } from "vitest";
 import { companyInviteExpiresAt } from "../routes/access.js";
 
 describe("companyInviteExpiresAt", () => {
-  it("sets invite expiration to 10 minutes after invite creation time", () => {
+  it("sets invite expiration to 72 hours after invite creation time", () => {
     const createdAtMs = Date.parse("2026-03-06T00:00:00.000Z");
     const expiresAt = companyInviteExpiresAt(createdAtMs);
-    expect(expiresAt.toISOString()).toBe("2026-03-06T00:10:00.000Z");
+    expect(expiresAt.toISOString()).toBe("2026-03-09T00:00:00.000Z");
   });
 });
diff --git a/server/src/routes/access.ts b/server/src/routes/access.ts
index e4893765fbc..72fe0ef4d5a 100644
--- a/server/src/routes/access.ts
+++ b/server/src/routes/access.ts
@@ -62,7 +62,7 @@ const INVITE_TOKEN_PREFIX = "pcp_invite_";
 const INVITE_TOKEN_ALPHABET = "abcdefghijklmnopqrstuvwxyz0123456789";
 const INVITE_TOKEN_SUFFIX_LENGTH = 8;
 const INVITE_TOKEN_MAX_RETRIES = 5;
-const COMPANY_INVITE_TTL_MS = 10 * 60 * 1000;
+const COMPANY_INVITE_TTL_MS = 72 * 60 * 60 * 1000;
 
 function createInviteToken() {
   const bytes = randomBytes(INVITE_TOKEN_SUFFIX_LENGTH);