diff --git a/src/ch/blinkenlights/android/medialibrary/MediaLibraryBackend.java b/src/ch/blinkenlights/android/medialibrary/MediaLibraryBackend.java
index 7cf5908c..0456b497 100644
--- a/src/ch/blinkenlights/android/medialibrary/MediaLibraryBackend.java
+++ b/src/ch/blinkenlights/android/medialibrary/MediaLibraryBackend.java
@@ -35,7 +35,7 @@ public class MediaLibraryBackend extends SQLiteOpenHelper {
 	/**
 	 * The database version we are using
 	 */
-	private static final int DATABASE_VERSION = 20170619;
+	private static final int DATABASE_VERSION = 20180128;
 	/**
 	 * on-disk file to store the database
 	 */
diff --git a/src/ch/blinkenlights/android/medialibrary/MediaSchema.java b/src/ch/blinkenlights/android/medialibrary/MediaSchema.java
index 0dab9f7c..3aa20084 100644
--- a/src/ch/blinkenlights/android/medialibrary/MediaSchema.java
+++ b/src/ch/blinkenlights/android/medialibrary/MediaSchema.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016-2017 Adrian Ulrich <adrian@blinkenlights.ch>
+ * Copyright (C) 2016-2018 Adrian Ulrich <adrian@blinkenlights.ch>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -320,6 +320,12 @@ public class MediaSchema {
 			dbh.execSQL(VIEW_CREATE_PLAYLIST_SONGS);
 		}
 
+		if (oldVersion >= 20170211 && oldVersion < 20180128) {
+			// Minor indexer changes - invalidate (but do not drop) all
+			// existing entries.
+			dbh.execSQL("UPDATE songs SET mtime=mtime-1 WHERE mtime > 0");
+		}
+
 	}
 
 }