diff --git a/deptrac.yaml b/deptrac.yaml
index a35887183f05..4f7d8367bae6 100644
--- a/deptrac.yaml
+++ b/deptrac.yaml
@@ -226,6 +226,7 @@ deptrac:
       - +Controller
     Router:
       - HTTP
+      - I18n
     Security:
       - Cookie
       - I18n
diff --git a/system/Router/Attributes/Cache.php b/system/Router/Attributes/Cache.php
index 5bf083f5fe4a..447f9e48c260 100644
--- a/system/Router/Attributes/Cache.php
+++ b/system/Router/Attributes/Cache.php
@@ -16,6 +16,7 @@
 use Attribute;
 use CodeIgniter\HTTP\RequestInterface;
 use CodeIgniter\HTTP\ResponseInterface;
+use CodeIgniter\I18n\Time;
 
 /**
  * Cache Attribute
@@ -74,7 +75,8 @@ public function before(RequestInterface $request): RequestInterface|ResponseInte
             foreach ($cached['headers'] as $name => $value) {
                 $response->setHeader($name, $value);
             }
-            $response->setHeader('Age', (string) (time() - ($cached['timestamp'] ?? time())));
+            $time = Time::now()->getTimestamp();
+            $response->setHeader('Age', (string) ($time - ($cached['timestamp'] ?? $time)));
 
             return $response;
         }
@@ -122,7 +124,7 @@ public function after(RequestInterface $request, ResponseInterface $response): ?
             'body'      => $response->getBody(),
             'headers'   => $headers,
             'status'    => $response->getStatusCode(),
-            'timestamp' => time(),
+            'timestamp' => Time::now()->getTimestamp(),
         ];
 
         cache()->save($cacheKey, $data, $this->for);
diff --git a/tests/system/Router/Attributes/CacheTest.php b/tests/system/Router/Attributes/CacheTest.php
index 2eb114c9cd87..2cd155aa22de 100644
--- a/tests/system/Router/Attributes/CacheTest.php
+++ b/tests/system/Router/Attributes/CacheTest.php
@@ -17,6 +17,7 @@
 use CodeIgniter\HTTP\ResponseInterface;
 use CodeIgniter\HTTP\SiteURI;
 use CodeIgniter\HTTP\UserAgent;
+use CodeIgniter\I18n\Time;
 use CodeIgniter\Test\CIUnitTestCase;
 use CodeIgniter\Test\Mock\MockAppConfig;
 use Config\Services;
@@ -34,6 +35,15 @@ protected function setUp(): void
 
         // Clear cache before each test
         cache()->clean();
+
+        Time::setTestNow('2026-01-10 12:00:00');
+    }
+
+    protected function tearDown(): void
+    {
+        parent::tearDown();
+
+        Time::setTestNow();
     }
 
     public function testConstructorDefaults(): void
@@ -73,7 +83,7 @@ public function testBeforeReturnsCachedResponseWhenFound(): void
             'body'      => 'Cached content',
             'status'    => 200,
             'headers'   => ['Content-Type' => 'text/html'],
-            'timestamp' => time() - 10,
+            'timestamp' => Time::now()->getTimestamp() - 10,
         ];
         cache()->save($cacheKey, $cachedData, 3600);
 
@@ -124,7 +134,7 @@ public function testBeforeUsesCustomCacheKey(): void
             'body'      => 'Custom cached content',
             'status'    => 200,
             'headers'   => [],
-            'timestamp' => time(),
+            'timestamp' => Time::now()->getTimestamp(),
         ];
         cache()->save('my_custom_key', $cachedData, 3600);