diff --git a/lib/repair/dropoldtables.php b/lib/repair/dropoldtables.php
index cfe0df6cb5bd5dc908b278317289984f01b68976..257ffd0d86d2b6f632365aed0ce9fd4f197b2546 100644
--- a/lib/repair/dropoldtables.php
+++ b/lib/repair/dropoldtables.php
@@ -85,6 +85,8 @@ class DropOldTables extends BasicEmitter implements RepairStep {
 			'media_users',
 			'permissions',
 			'pictures_images_cache',
+			'principalgroups',
+			'principals',
 			'queuedtasks',
 			'sharing',
 		];
diff --git a/version.php b/version.php
index dd499a8d1d8320ce32f7af6d1959ff679a706c5f..7f45f5899e1266b7c7b1a7771e69bf9358ba4afe 100644
--- a/version.php
+++ b/version.php
@@ -25,7 +25,7 @@
 // We only can count up. The 4. digit is only for the internal patchlevel to trigger DB upgrades
 // between betas, final and RCs. This is _not_ the public version number. Reset minor/patchlevel
 // when updating major/minor version number.
-$OC_Version = array(9, 0, 0, 1);
+$OC_Version = array(9, 0, 0, 2);
 
 // The human readable string
 $OC_VersionString = '9.0 pre alpha';