diff --git a/route/app.php b/route/app.php
index b353421..93ddf09 100644
--- a/route/app.php
+++ b/route/app.php
@@ -37,7 +37,7 @@ Route::rule('/sitemap.xml', function (Request $request) {
 
     $last_etag = md5($content);
 
-    Cache::set($cache_key, $last_etag);
+    Cache::set($cache_key, $last_etag, 600);
 
     return xml($content)->eTag($last_etag);
 });
@@ -64,7 +64,7 @@ Route::rule('/rss1.xml', function (Request $request) {
 
     $last_etag = md5($content);
 
-    Cache::set($cache_key, $last_etag);
+    Cache::set($cache_key, $last_etag, 600);
 
     return xml($content)->eTag($last_etag);
 });
@@ -90,7 +90,7 @@ Route::rule('/rss2.xml', function (Request $request) {
 
     $last_etag = md5($content);
 
-    Cache::set($cache_key, $last_etag);
+    Cache::set($cache_key, $last_etag, 600);
 
     return xml($content)->eTag($last_etag);
 });
@@ -116,7 +116,7 @@ Route::rule('/atom.xml', function (Request $request) {
 
     $last_etag = md5($content);
 
-    Cache::set($cache_key, $last_etag);
+    Cache::set($cache_key, $last_etag, 600);
 
     return xml($content)->eTag($last_etag);
 });
\ No newline at end of file