Update application/config/config.php
diff --git a/application/config/config.php b/application/config/config.php
index 063c3d5..70a9856 100644
--- a/application/config/config.php
+++ b/application/config/config.php
@@ -326,12 +326,14 @@
 | 'csrf_token_name' = The token name
 | 'csrf_cookie_name' = The cookie name
 | 'csrf_expire' = The number in seconds the token should expire.
+| 'csrf_regenerate' = Regenerate token on every submission
 | 'csrf_exclude_uris' = Array of URIs which ignore CSRF checks
 */
 $config['csrf_protection'] = FALSE;
 $config['csrf_token_name'] = 'csrf_test_name';
 $config['csrf_cookie_name'] = 'csrf_cookie_name';
 $config['csrf_expire'] = 7200;
+$config['csrf_regenerate'] = TRUE;
 $config['csrf_exclude_uris'] = array();
 
 /*