diff --git a/sql/setup.sql b/sql/setup.sql
index 13d6888..4484a7f 100644
--- a/sql/setup.sql
+++ b/sql/setup.sql
@@ -1795,12 +1795,21 @@ CREATE TABLE blends_dependencies (
      blend        TEXT REFERENCES blends_metadata,
      task         TEXT, -- CHECK (task IN (SELECT task from blends_tasks)),
      package      TEXT,
-     dependency   CHARACTER(1) CHECK (dependency IN ('d', 'i', 'r', 's')), -- Depends / Recommends / Suggests
+     dependency   CHARACTER(1) CHECK (dependency IN ('d', 'i', 'r', 's', 'a')), -- Depends / Ignore / Recommends / Suggests / Avoid
      distribution TEXT CHECK (distribution IN ('debian', 'new', 'prospective', 'ubuntu', 'other')),
      component    TEXT CHECK (component IN ('main', 'contrib', 'non-free', 'universe', 'multiverse', 'restricted', 'local')),
      PRIMARY KEY (blend, task, package)
 );
 
+DROP TABLE IF EXISTS blends_dependencies_alternatives;
+CREATE TABLE blends_dependencies_alternatives (
+  -- fieldname    type,
+     blend        TEXT REFERENCES blends_metadata,
+     task         TEXT,
+     alternatives TEXT, -- content is in format: package1 | package2 | package3 ...
+     PRIMARY KEY (blend, task)
+);
+
 GRANT SELECT ON blends_dependencies TO PUBLIC;
 
 CREATE TABLE mentors_raw_users (