diff --git a/src/storage/postgres/manager.py b/src/storage/postgres/manager.py
index d8a20a2a..cd67c8e5 100644
--- a/src/storage/postgres/manager.py
+++ b/src/storage/postgres/manager.py
@@ -171,6 +171,7 @@ class PostgresManager(metaclass=SingletonMeta):
             "ALTER TABLE IF EXISTS skills ADD COLUMN IF NOT EXISTS tool_dependencies JSONB DEFAULT '[]'::jsonb",
             "ALTER TABLE IF EXISTS skills ADD COLUMN IF NOT EXISTS mcp_dependencies JSONB DEFAULT '[]'::jsonb",
             "ALTER TABLE IF EXISTS skills ADD COLUMN IF NOT EXISTS skill_dependencies JSONB DEFAULT '[]'::jsonb",
+            "ALTER TABLE IF EXISTS conversations ADD COLUMN IF NOT EXISTS is_pinned BOOLEAN NOT NULL DEFAULT FALSE",
             "ALTER TABLE IF EXISTS mcp_servers ADD COLUMN IF NOT EXISTS env JSONB",
             """
             CREATE TABLE IF NOT EXISTS agent_runs (
@@ -192,6 +193,7 @@ class PostgresManager(metaclass=SingletonMeta):
             "CREATE INDEX IF NOT EXISTS idx_agent_runs_user_created ON agent_runs(user_id, created_at DESC)",
             "CREATE INDEX IF NOT EXISTS idx_agent_runs_thread_created ON agent_runs(thread_id, created_at DESC)",
             "CREATE INDEX IF NOT EXISTS idx_agent_runs_status_updated ON agent_runs(status, updated_at)",
+            "CREATE INDEX IF NOT EXISTS ix_conversations_is_pinned ON conversations(is_pinned)",
         ]
         async with self.async_engine.begin() as conn:
             for stmt in stmts: