diff --git a/src/main/resources/update/1_4.sql b/src/main/resources/update/1_4.sql
new file mode 100644
index 0000000..a68ca43
--- /dev/null
+++ b/src/main/resources/update/1_4.sql
@@ -0,0 +1,10 @@
+CREATE TABLE GROUP_MEMBER(
+  GROUP_NAME VARCHAR(100) NOT NULL,
+  USER_NAME  VARCHAR(100) NOT NULL
+);
+
+ALTER TABLE GROUP_MEMBER ADD CONSTRAINT IDX_GROUP_MEMBER_PK PRIMARY KEY (GROUP_NAME, USER_NAME);
+ALTER TABLE GROUP_MEMBER ADD CONSTRAINT IDX_GROUP_MEMBER_FK0 FOREIGN KEY (GROUP_NAME) REFERENCES ACCOUNT (USER_NAME);
+ALTER TABLE GROUP_MEMBER ADD CONSTRAINT IDX_GROUP_MEMBER_FK1 FOREIGN KEY (USER_NAME) REFERENCES ACCOUNT (USER_NAME);
+
+ALTER TABLE ACCOUNT ADD COLUMN GROUP_ACCOUNT BOOLEAN NOT NULL DEFAULT FALSE;
diff --git a/src/main/scala/servlet/AutoUpdateListener.scala b/src/main/scala/servlet/AutoUpdateListener.scala
index 4614230..601af9b 100644
--- a/src/main/scala/servlet/AutoUpdateListener.scala
+++ b/src/main/scala/servlet/AutoUpdateListener.scala
@@ -49,6 +49,7 @@
    * The history of versions. A head of this sequence is the current BitBucket version.
    */
   val versions = Seq(
+    Version(1, 4),
     new Version(1, 3){
       override def update(conn: Connection): Unit = {
         super.update(conn)
@@ -128,6 +129,7 @@
     } catch {
       case ex: Throwable => {
         logger.error("Failed to schema update", ex)
+        ex.printStackTrace()
         conn.rollback()
       }
     }