diff --git a/class.ext_update.php b/class.ext_update.php
new file mode 100644
index 0000000..e65d5e8
--- /dev/null
+++ b/class.ext_update.php
@@ -0,0 +1,63 @@
+<?php
+
+/**
+ * Class ext_update
+ *
+ * Performs update tasks migrating *bootstrap-EXT to fluidbootstraptheme
+
+ *
+ *
+ */
+class ext_update {
+    /**
+     * @return boolean
+     */
+    public function access() {
+        return TRUE;
+    }
+    /**
+     * @return string
+     */
+    public function main() {
+
+        //select all Contentelements from Fluidcontent_bootstrap and migrate them
+
+        $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', 'tt_content', '`tx_fed_fcefile` LIKE "FluidTYPO3.Fluidcontentbootstrap:%"', 'tx_fed_fcefile', '', '');
+
+        while ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
+            $replaced = str_replace('FluidTYPO3.FluidcontentBootstrap', 'fluidbootstraptheme', $row['tx_fed_fcefile']);
+
+            $GLOBALS['TYPO3_DB']->exec_UPDATEquery('tt_content', 'tx_fed_fcefile = "'.$row['tx_fed_fcefile'].'"', array('tx_fed_fcefile' => $replaced));
+            $updated.= $GLOBALS['TYPO3_DB']->sql_affected_rows() . ' rows have been updated for '.$row['tx_fed_fcefile'].'';
+            $updated.= '<br />';
+        }
+
+        //select all Pagetemplates from Fluidpages_bootstrap and migrate them
+
+        $respages = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', 'pages', '`tx_fed_page_controller_action` LIKE "fluidpages_bootstrap%"', 'tx_fed_page_controller_action', '', '');
+
+        while ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($respages)) {
+            $replacedpages = str_replace('fluidpages_bootstrap', 'fluidbootstraptheme', $row['tx_fed_page_controller_action']);
+
+            $GLOBALS['TYPO3_DB']->exec_UPDATEquery('pages', 'tx_fed_page_controller_action = "'.$row['tx_fed_page_controller_action'].'"', array('tx_fed_page_controller_action' => $replacedpages));
+            $updated.= $GLOBALS['TYPO3_DB']->sql_affected_rows() . ' rows have been updated for '.$row['tx_fed_page_controller_action'].'';
+            $updated.= '<br />';
+        }
+
+        //fix all templates for Subpages
+
+        $ressubpages = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', 'pages', '`tx_fed_page_controller_action_sub` LIKE "fluidpages_bootstrap%"', 'tx_fed_page_controller_action_sub', '', '');
+
+        while ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($ressubpages)) {
+            $replacedsubpages = str_replace('fluidpages_bootstrap', 'fluidbootstraptheme', $row['tx_fed_page_controller_action_sub']);
+
+            $GLOBALS['TYPO3_DB']->exec_UPDATEquery('pages', 'tx_fed_page_controller_action_sub = "'.$row['tx_fed_page_controller_action_sub'].'"', array('tx_fed_page_controller_action_sub' => $replacedsubpages));
+            $updated.= $GLOBALS['TYPO3_DB']->sql_affected_rows() . ' rows have been updated for '.$row['tx_fed_page_controller_action_sub'].'';
+            $updated.= '<br />';
+
+        }
+
+        return $updated;
+    }
+}
+