diff --git a/api/setup/setup.inc.php b/api/setup/setup.inc.php
index 06a90398b3..020a458318 100644
--- a/api/setup/setup.inc.php
+++ b/api/setup/setup.inc.php
@@ -11,7 +11,7 @@
 /* Basic information about this app */
 $setup_info['api']['name']      = 'api';
 $setup_info['api']['title']     = 'EGroupware API';
-$setup_info['api']['version']   = '17.1';
+$setup_info['api']['version']   = '17.1.001';
 $setup_info['api']['versions']['current_header'] = '1.29';
 // maintenance release in sync with changelog in doc/rpm-build/debian.changes
 $setup_info['api']['versions']['maintenance_release'] = '17.1.20180321';
diff --git a/api/setup/tables_current.inc.php b/api/setup/tables_current.inc.php
index 4353f837c8..3eb42761a1 100644
--- a/api/setup/tables_current.inc.php
+++ b/api/setup/tables_current.inc.php
@@ -465,7 +465,7 @@ $phpgw_baseline = array(
 			'cred_type' => array('type' => 'int','precision' => '1','nullable' => False,'comment' => '&1=imap, &2=smtp, &4=admin'),
 			'account_id' => array('type' => 'int','meta' => 'user','precision' => '4','nullable' => False,'comment' => 'account_id or 0=all'),
 			'cred_username' => array('type' => 'varchar','precision' => '80','nullable' => False,'comment' => 'username'),
-			'cred_password' => array('type' => 'varchar','precision' => '9600','comment' => 'password encrypted'),
+			'cred_password' => array('type' => 'varchar','precision' => '16384','comment' => 'password encrypted'),
 			'cred_pw_enc' => array('type' => 'int','precision' => '1','default' => '0','comment' => '0=not, 1=user pw, 2=system')
 		),
 		'pk' => array('cred_id'),
diff --git a/api/setup/tables_update.inc.php b/api/setup/tables_update.inc.php
index 897c67dc7f..bbac100e98 100644
--- a/api/setup/tables_update.inc.php
+++ b/api/setup/tables_update.inc.php
@@ -407,3 +407,19 @@ function api_upgrade16_9_004()
 {
 	return $GLOBALS['setup_info']['api']['currentver'] = '17.1';
 }
+
+/**
+ * Give egw_ea_credentials.cred_password size 16k to accommodate bigger private s/mime keys
+ *
+ * @return string
+ */
+function api_upgrade17_1()
+{
+	$GLOBALS['egw_setup']->oProc->AlterColumn('egw_ea_credentials','cred_password',array(
+		'type' => 'varchar',
+		'precision' => '16384',
+		'comment' => 'password encrypted'
+	));
+
+	return $GLOBALS['setup_info']['api']['currentver'] = '17.1.001';
+}
\ No newline at end of file