diff --git a/mysql/alter_tables_0.13.0.sql b/mysql/alter_tables_0.13.0.sql
new file mode 100644
index 0000000..b2046be
--- /dev/null
+++ b/mysql/alter_tables_0.13.0.sql
@@ -0,0 +1,5 @@
+ALTER TABLE mxq_group
+    ADD COLUMN (
+        depends_on_group    INT8 UNSIGNED NULL DEFAULT NULL,
+        dependency_of_group INT8 UNSIGNED NULL DEFAULT NULL
+    );
diff --git a/mysql/create_tables.sql b/mysql/create_tables.sql
index d134ab5..30365ce 100644
--- a/mysql/create_tables.sql
+++ b/mysql/create_tables.sql
@@ -53,6 +53,9 @@ CREATE TABLE IF NOT EXISTS mxq_group (
    stats_total_real_sec_finished    INT8 UNSIGNED NOT NULL DEFAULT 0,
    stats_total_wait_sec_finished    INT8 UNSIGNED NOT NULL DEFAULT 0,
 
+   depends_on_group     INT8 UNSIGNED NULL DEFAULT NULL,
+   dependency_of_group  INT8 UNSIGNED NULL DEFAULT NULL,
+
    INDEX(group_id),
    INDEX(group_name)
 );