diff --git a/src/lib/utils/auth.ts b/src/lib/utils/auth.ts
index fd89926d..85d82e37 100644
--- a/src/lib/utils/auth.ts
+++ b/src/lib/utils/auth.ts
@@ -15,7 +15,7 @@ const API_KEY_VERIFY_CACHE_KEY_PROMISE = webcrypto.subtle.importKey(
 // The proxy still loads the active key row before calling verifyApiKey, so this
 // cache only removes repeated bcrypt work; revocation, expiry, ownership, and
 // authorization changes remain database-authoritative on every request.
-const API_KEY_VERIFY_CACHE_TTL_MS = 10_000;
+const API_KEY_VERIFY_CACHE_TTL_MS = 120_000;
 const API_KEY_VERIFY_CACHE_MAX_ENTRIES = 2_048;
 const apiKeyVerificationCache = new Map<string, number>();
 
diff --git a/tests/unit/utils/auth.test.ts b/tests/unit/utils/auth.test.ts
index b41816bb..8abd1bfd 100644
--- a/tests/unit/utils/auth.test.ts
+++ b/tests/unit/utils/auth.test.ts
@@ -1,4 +1,5 @@
 import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
+import bcryptjs from "bcryptjs";
 import {
   hashApiKey,
   verifyApiKey,
@@ -60,6 +61,29 @@ describe("auth utilities", () => {
       const otherHash = await hashApiKey(otherKey);
       expect(await verifyApiKey(key, otherHash)).toBe(false);
     });
+    it("should expire cached verification after the two-minute TTL", async () => {
+      const key = "sk-auto-cache-expiring-key12345678901234567890";
+      const hash = await hashApiKey(key);
+      const compareSpy = vi.spyOn(bcryptjs, "compare");
+      const baseTime = Date.now();
+      const dateNowSpy = vi.spyOn(Date, "now").mockReturnValue(baseTime);
+
+      try {
+        expect(await verifyApiKey(key, hash)).toBe(true);
+        expect(compareSpy).toHaveBeenCalledTimes(1);
+
+        dateNowSpy.mockReturnValue(baseTime + 119_999);
+        expect(await verifyApiKey(key, hash)).toBe(true);
+        expect(compareSpy).toHaveBeenCalledTimes(1);
+
+        dateNowSpy.mockReturnValue(baseTime + 120_000);
+        expect(await verifyApiKey(key, hash)).toBe(true);
+        expect(compareSpy).toHaveBeenCalledTimes(2);
+      } finally {
+        dateNowSpy.mockRestore();
+        compareSpy.mockRestore();
+      }
+    });
     it("should handle invalid hash gracefully", async () => {
       const key = "sk-auto-testkey123456789012345678901234";