diff --git a/src/main/scala/servlet/AutoUpdateListener.scala b/src/main/scala/servlet/AutoUpdateListener.scala
index 7b4b991..aa07876 100644
--- a/src/main/scala/servlet/AutoUpdateListener.scala
+++ b/src/main/scala/servlet/AutoUpdateListener.scala
@@ -122,7 +122,7 @@
       System.setProperty("gitbucket.home", datadir)
     }
     org.h2.Driver.load()
-    event.getServletContext.setInitParameter("db.url", s"jdbc:h2:${DatabaseHome}")
+    event.getServletContext.setInitParameter("db.url", s"jdbc:h2:${DatabaseHome};MVCC=true")
 
     logger.debug("Start schema update")
     defining(getConnection(event.getServletContext)){ conn =>