diff --git a/src/infrastructure/storage/lisk/PhabricatorLiskDAO.php b/src/infrastructure/storage/lisk/PhabricatorLiskDAO.php
index 2fbabf037a..feae254095 100644
--- a/src/infrastructure/storage/lisk/PhabricatorLiskDAO.php
+++ b/src/infrastructure/storage/lisk/PhabricatorLiskDAO.php
@@ -75,10 +75,13 @@ abstract class PhabricatorLiskDAO extends LiskDAO {
       $connection->setReadOnly(true);
     }
 
-    // Unless this is a script running from the CLI, prevent any query from
-    // running for more than 30 seconds. See T10849 for discussion.
+    // Unless this is a script running from the CLI:
+    //   - (T10849) Prevent any query from running for more than 30 seconds.
+    //   - (T11672) Use persistent connections.
     if (php_sapi_name() != 'cli') {
-      $connection->setQueryTimeout(30);
+      $connection
+        ->setQueryTimeout(30)
+        ->setPersistent(true);
     }
 
     return $connection;