diff --git a/update.php b/update.php
index dfe78f9844c9269a1ff677dac3abb842b11e30ff..3a00365be12f21627ae2ef6b8a1b1f074a84a1d7 100644
--- a/update.php
+++ b/update.php
@@ -36,6 +36,7 @@ function update_data($start) {
     variable_set("update_start", $date);
     print "</pre>\n";
   }
+  db_query('DELETE FROM {cache}');
 }
 
 function update_page_header($title) {