diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index bb9b557..9a38e5b 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -20,6 +20,7 @@ Yii Framework 2 Change Log
 - Bug #9596: Fixed `\yii\web\UrlManager::createAbsoluteUrl(['site/index', '#' => 'testHash'])` losing hash (alchimik, samdark)
 - Bug #9678: `I18N::format()` wasn't able to handle named placeholder in "selectordinal" (samdark)
 - Bug #9681: `Json::encode()` was erroring under CYGWIN (samdark)
+- Bug #9707: Fixed Memcache duration which exceeds 30 days (vernik91)
 - Bug #9714: Fixed `yii\rbac\PhpManager::updateItem()` unable to save users assignments (rezident1307)
 - Bug #9754: Fixed `yii\web\Request` error when path info is empty (dynasource)
 - Bug #9791: Fixed endless loop on file creation for non-existing device letters on windows (lukos, cebe)
@@ -30,12 +31,12 @@ Yii Framework 2 Change Log
 - Bug #9924: Fixed `yii.js` handleAction corrupted parameter values containing quote (") character (silverfire)
 - Bug #9984: Fixed wrong captcha color in case Imagick is used (DrDeath72)
 - Bug: Fixed generation of canonical URLs for `ViewAction` pages (samdark)
-- Enh #8649: Added total applied migrations to final report (vernik91)
 - Enh #3506: Added `\yii\validators\IpValidator` to perform validation of IP addresses and subnets (SilverFire, samdark)
 - Enh #5146: Added `\yii\i18n\Formatter::asDuration()` method (nineinchnick, SilverFire)
 - Enh #7341: Client validation now skips disabled inputs (SamMousa)
 - Enh #7581: Added ability to specify range using anonymous function in `RangeValidator` (RomeroMsk)
 - Enh #8613: `yii\widgets\FragmentCache` will not store empty content anymore which fixes some problems related to `yii\filters\PageCache` (kidol)
+- Enh #8649: Added total applied migrations to final report (vernik91)
 - Enh #9476: Added DI injection via controller action method signature (mdmunir)
 - Enh #9635: Added default CSS class for `\yii\grid\ActionColumn` header (arogachev, dynasource)
 - Enh #9643: Added migrations for DB cache (mdmunir)
diff --git a/framework/caching/MemCache.php b/framework/caching/MemCache.php
index 2364d4d..876762b 100644
--- a/framework/caching/MemCache.php
+++ b/framework/caching/MemCache.php
@@ -7,6 +7,7 @@
 
 namespace yii\caching;
 
+use Yii;
 use yii\base\InvalidConfigException;
 
 /**
@@ -288,6 +289,7 @@ class MemCache extends Cache
      */
     protected function setValue($key, $value, $duration)
     {
+        $duration = $this->trimDuration($duration);
         $expire = $duration > 0 ? $duration + time() : 0;
 
         return $this->useMemcached ? $this->_cache->set($key, $value, $expire) : $this->_cache->set($key, $value, 0, $expire);
@@ -301,6 +303,8 @@ class MemCache extends Cache
      */
     protected function setValues($data, $duration)
     {
+        $duration = $this->trimDuration($duration);
+
         if ($this->useMemcached) {
             $this->_cache->setMulti($data, $duration > 0 ? $duration + time() : 0);
 
@@ -321,6 +325,7 @@ class MemCache extends Cache
      */
     protected function addValue($key, $value, $duration)
     {
+        $duration = $this->trimDuration($duration);
         $expire = $duration > 0 ? $duration + time() : 0;
 
         return $this->useMemcached ? $this->_cache->add($key, $value, $expire) : $this->_cache->add($key, $value, 0, $expire);
@@ -346,4 +351,18 @@ class MemCache extends Cache
     {
         return $this->_cache->flush();
     }
+
+    /**
+     * Trims duration to 30 days (2592000 seconds).
+     * @param integer $duration the number of seconds
+     * @return int the duration
+     */
+    protected function trimDuration($duration)
+    {
+        if ($duration > 2592000) {
+            Yii::warning('Duration has been truncated to 30 days due to Memcache/Memcached limitation.', __METHOD__);
+            return 2592000;
+        }
+        return $duration;
+    }
 }